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Revision History for A279956

(Underlined text is an addition; strikethrough text is a deletion.)

Showing all changes.
A279956 Primes p such that every suffix of the base-4 representation of p is either a prime or 1.
(history; published version)
#10 by N. J. A. Sloane at Tue Mar 07 00:32:23 EST 2017
STATUS

proposed

approved

#9 by Indranil Ghosh at Mon Mar 06 15:14:19 EST 2017
STATUS

editing

proposed

#8 by Indranil Ghosh at Mon Mar 06 15:14:04 EST 2017
LINKS

Indranil Ghosh, <a href="/A279956/b279956.txt">Table of n, a(n) for n = 1..807</a>

STATUS

approved

editing

#7 by N. J. A. Sloane at Fri Dec 23 21:21:14 EST 2016
STATUS

proposed

approved

#6 by Jon E. Schoenfield at Fri Dec 23 20:44:41 EST 2016
STATUS

editing

proposed

#5 by Jon E. Schoenfield at Fri Dec 23 20:44:39 EST 2016
NAME

Primes p such that every suffix of the base -4 representation of p is either a prime or 1.

CROSSREFS

Also, Cfcf. A278699 for base 4, where the final suffix can notcannot be 1 (it has tomust be a prime, i.e. ., 2 or 3).

STATUS

proposed

editing

#4 by Randy L. Ekl at Fri Dec 23 19:22:17 EST 2016
STATUS

editing

proposed

#3 by Randy L. Ekl at Fri Dec 23 19:21:23 EST 2016
DATA

2, 3, 5, 7, 11, 13, 17, 19, 23, 29, 37, 43, 53, 59, 61, 67, 71, 83, 101, 107, 131, 139, 151, 157, 181, 193, 197, 199, 211, 229, 251, 257, 263, 269, 293, 317, 449, 467, 523, 541, 571, 613, 619, 643, 709, 769, 773, 787, 797, 811, 821, 827, 829, 839, 907, 919, 967, 997, 1019, 1031, 1061, 1091, 1163, 1181, 1217, 1223, 1637, 1667, 1733, 1811, 1931, 2053, 2131, 2179, 2311, 2341, 2887, 3067, 3079, 3083, 3089, 3109, 3203, 3229, 3253, 3271, 3301, 3323, 3329

#2 by Randy L. Ekl at Fri Dec 23 19:20:39 EST 2016
NAME

allocated for Randy L. Ekl

Primes p such that every suffix of the base 4 representation of p is either a prime or 1.

DATA

2, 3, 5, 7, 11, 13, 17, 19, 23, 29, 37, 43, 53, 59, 61, 67, 71, 83, 101, 107, 131, 139, 151, 157, 181, 193, 197, 199, 211, 229, 251, 257, 263, 269, 293, 317, 449, 467, 523, 541, 571, 613, 619, 643, 709, 769, 773, 787, 797, 811, 821, 827, 829, 839, 907, 919, 967, 997, 1019, 1031, 1061, 1091, 1163, 1181, 1217, 1223, 1637, 1667, 1733, 1811, 1931, 2053, 2131, 2179, 2311, 2341, 2887, 3067, 3079, 3083, 3089, 3109, 3203, 3229, 3253, 3271, 3301, 3323, 3329

OFFSET

1,1

EXAMPLE

107 is a term in the sequence, since 107_10=1223_4, and 223_4, 23_4 and 3_4 (43_10, 11_10, and 3_10) are all prime.

CROSSREFS

Cf. A278454 for base 2, A278694 for base 3, A278698 for base 5, and A033664 for base 10.

Also, Cf. A278699 for base 4, where the final suffix can not be 1 (it has to be a prime, i.e. 2 or 3).

KEYWORD

allocated

nonn,base

AUTHOR

Randy L. Ekl, Dec 23 2016

STATUS

approved

editing

#1 by Randy L. Ekl at Fri Dec 23 19:20:39 EST 2016
NAME

allocated for Randy L. Ekl

KEYWORD

allocated

STATUS

approved

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Last modified September 11 16:20 EDT 2024. Contains 375836 sequences. (Running on oeis4.)