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A169999 Carryless product n X n in base 3. 8
0, 1, 1, 9, 16, 13, 9, 13, 16, 81, 100, 91, 144, 142, 157, 117, 112, 133, 81, 91, 100, 117, 133, 112, 144, 157, 142, 729, 784, 757, 900, 961, 931, 819, 877, 853, 1296, 1369, 1333, 1278, 1249, 1237, 1413, 1381, 1456, 1053, 1117, 1099, 1008, 997, 1030, 1197, 1183, 1141 (list; graph; refs; listen; history; text; internal format)
OFFSET

0,4

LINKS

Antti Karttunen, Table of n, a(n) for n = 0..19682

David Applegate, Marc LeBrun and N. J. A. Sloane, Carryless Arithmetic (I): The Mod 10 Version

Index entries for sequences related to carryless arithmetic

PROG

(PARI)

A325820sq(b, c) = fromdigits(Vec(Pol(digits(b, 3))*Pol(digits(c, 3)))%3, 3);

A169999(n) = A325820sq(n, n); \\ Antti Karttunen, Jun 17 2019

CROSSREFS

Main diagonal of A325820.

For bases 2 through 10 see A000695, A169999, A170985-A170990 and A059729.

Sequence in context: A133816 A048752 A293376 * A110151 A131746 A092095

Adjacent sequences:  A169996 A169997 A169998 * A170000 A170001 A170002

KEYWORD

nonn,base,look

AUTHOR

N. J. A. Sloane, Aug 29 2010

STATUS

approved

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Last modified August 10 16:56 EDT 2020. Contains 336381 sequences. (Running on oeis4.)