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A170986 Carryless product n X n in base 5. 1
0, 1, 4, 4, 1, 25, 36, 49, 34, 41, 100, 121, 119, 114, 106, 100, 106, 114, 119, 121, 25, 41, 34, 49, 36, 625, 676, 729, 654, 701, 900, 961, 899, 934, 991, 1225, 1171, 1219, 1139, 1181, 850, 781, 839, 769, 821, 1025, 1091, 1009, 1074, 1111, 2500, 2601, 2579, 2554, 2526 (list; graph; refs; listen; history; text; internal format)
OFFSET
0,3
LINKS
David Applegate, Marc LeBrun and N. J. A. Sloane, Carryless Arithmetic (I): The Mod 10 Version.
PROG
(PARI) a(n) = fromdigits(Vec(Pol(digits(n, 5))^2)%5, 5); \\ Seiichi Manyama, Mar 09 2023
CROSSREFS
For bases 2 through 10 see A000695, A169999, A170985-A170990 and A059729.
Sequence in context: A098364 A116866 A126280 * A071207 A136214 A067328
KEYWORD
nonn,base,look
AUTHOR
N. J. A. Sloane, Aug 29 2010
STATUS
approved

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Last modified April 23 16:40 EDT 2024. Contains 371916 sequences. (Running on oeis4.)