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Revision History for A288371

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

Showing all changes.
A288371 Primes of the form k!9+1, where k!9 is the nonuple factorial number (A114806).
(history; published version)
#5 by N. J. A. Sloane at Thu Jun 08 18:19:17 EDT 2017
STATUS

proposed

approved

#4 by Robert Price at Thu Jun 08 15:32:46 EDT 2017
STATUS

editing

proposed

#3 by Robert Price at Thu Jun 08 15:32:35 EDT 2017
LINKS

Robert Price, <a href="/A288371/b288371.txt">Table of n, a(n) for n = 1..55</a>

#2 by Robert Price at Thu Jun 08 15:32:15 EDT 2017
NAME

allocatedPrimes of the form k!9+1, where k!9 is the fornonuple Robertfactorial Pricenumber (A114806).

DATA

2, 3, 5, 7, 11, 23, 37, 53, 71, 113, 137, 163, 191, 757, 2161, 2801, 51521, 1418561, 4093601, 42456961, 69509441, 105616001, 2420046721, 9160905601, 1270453824641, 2326680294401, 190787784140801, 509498986796801, 2805949277824001, 612940220628736001

OFFSET

1,1

LINKS

OpenPFGW Project, <a href="http://sourceforge.net/projects/openpfgw/">Primality Tester</a>

MATHEMATICA

MultiFactorial[n_, k_] := If[n<1, 1, n*MultiFactorial[n-k, k]];

Select[Table[MultiFactorial[i, 9] + 1, {i, 0, 100}], PrimeQ[#]&]

CROSSREFS

Cf. A204660.

KEYWORD

allocated

nonn

AUTHOR

Robert Price, Jun 08 2017

STATUS

approved

editing

#1 by Robert Price at Thu Jun 08 15:32:15 EDT 2017
NAME

allocated for Robert Price

KEYWORD

allocated

STATUS

approved

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Last modified September 12 09:47 EDT 2024. Contains 375850 sequences. (Running on oeis4.)