login

Year-end appeal: Please make a donation to the OEIS Foundation to support ongoing development and maintenance of the OEIS. We are now in our 61st year, we have over 378,000 sequences, and we’ve reached 11,000 citations (which often say “discovered thanks to the OEIS”).

A170987
Carryless product n X n in base 6.
1
0, 1, 4, 3, 4, 1, 36, 49, 64, 39, 52, 61, 144, 169, 160, 147, 172, 157, 108, 109, 112, 111, 112, 109, 144, 157, 172, 147, 160, 169, 36, 61, 52, 39, 64, 49, 1296, 1369, 1444, 1299, 1372, 1441, 1764, 1849, 1936, 1767, 1852, 1933, 2304, 2185, 2248, 2307, 2188, 2245
OFFSET
0,3
PROG
(PARI) a(n) = fromdigits(Vec(Pol(digits(n, 6))^2)%6, 6); \\ Seiichi Manyama, Mar 09 2023
CROSSREFS
For bases 2 through 10 see A000695, A169999, A170985-A170990 and A059729.
Sequence in context: A346785 A284517 A286953 * A239735 A196826 A215597
KEYWORD
nonn,base,look
AUTHOR
N. J. A. Sloane, Aug 29 2010
STATUS
approved