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A213444 Numbers n such that decimal expansion of n^2 contains a 2.
(Formerly N1556)
1
5, 11, 15, 16, 17, 18, 23, 25, 27, 32, 35, 36, 39, 45, 46, 47, 48, 49, 50, 51, 52, 53, 54, 55, 57, 61, 65, 68, 73, 75, 77, 79, 82, 85, 89, 91, 95, 96, 101, 105, 106, 110, 111, 112, 113, 114, 115, 118, 123, 125, 127, 132, 135, 139, 142, 143, 144, 145, 146, 147, 148, 149, 150, 151, 152, 153, 154, 155, 156, 157, 158, 159, 160, 161, 162, 163, 164, 165, 166 (list; graph; refs; listen; history; text; internal format)
OFFSET
1,1
REFERENCES
Archimedeans Problems Drive, Eureka, 18 (1955), 17.
N. J. A. Sloane, A Handbook of Integer Sequences, Academic Press, 1973 (includes this sequence).
LINKS
CROSSREFS
Cf. A213445.
Sequence in context: A091718 A078002 A171418 * A314002 A137004 A137005
KEYWORD
nonn,base
AUTHOR
N. J. A. Sloane, Jun 12 2012
STATUS
approved

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Last modified August 17 05:44 EDT 2024. Contains 375200 sequences. (Running on oeis4.)