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 A095143 Triangle, read by rows, formed by reading Pascal's triangle (A007318) mod 9. 17
 1, 1, 1, 1, 2, 1, 1, 3, 3, 1, 1, 4, 6, 4, 1, 1, 5, 1, 1, 5, 1, 1, 6, 6, 2, 6, 6, 1, 1, 7, 3, 8, 8, 3, 7, 1, 1, 8, 1, 2, 7, 2, 1, 8, 1, 1, 0, 0, 3, 0, 0, 3, 0, 0, 1, 1, 1, 0, 3, 3, 0, 3, 3, 0, 1, 1, 1, 2, 1, 3, 6, 3, 3, 6, 3, 1, 2, 1, 1, 3, 3, 4, 0, 0, 6, 0, 0, 4, 3, 3, 1, 1, 4, 6, 7, 4, 0, 6, 6, 0, 4, 7, 6, 4, 1 (list; table; graph; refs; listen; history; text; internal format)
 OFFSET 0,5 LINKS Table of n, a(n) for n=0..104. Ilya Gutkovskiy, Illustrations (triangle formed by reading Pascal's triangle mod m) James G. Huard, Blair K. Spearman and Kenneth S. Williams, Pascal's triangle (mod 9), Acta Arithmetica (1997), Volume: 78, Issue: 4, page 331-349. Index entries for triangles and arrays related to Pascal's triangle FORMULA T(i, j) = binomial(i, j) mod 9. EXAMPLE Triangle begins: 1; 1, 1; 1, 2, 1; 1, 3, 3, 1; 1, 4, 6, 4, 1; 1, 5, 1, 1, 5, 1; 1, 6, 6, 2, 6, 6, 1; ... MATHEMATICA Mod[ Flatten[ Table[ Binomial[n, k], {n, 0, 13}, {k, 0, n}]], 9] CROSSREFS Cf. A007318, A047999, A083093, A034931, A095140, A095141, A095142, A034930, A008975, A095144, A095145, A034932. Sequences based on the triangles formed by reading Pascal's triangle mod m: A047999 (m = 2), A083093 (m = 3), A034931 (m = 4), A095140 (m = 5), A095141 (m = 6), A095142 (m = 7), A034930 (m = 8), (this sequence) (m = 9), A008975 (m = 10), A095144 (m = 11), A095145 (m = 12), A275198 (m = 14), A034932 (m = 16). Sequence in context: A140280 A140586 A339379 * A242312 A140279 A096145 Adjacent sequences: A095140 A095141 A095142 * A095144 A095145 A095146 KEYWORD easy,nonn,tabl AUTHOR Robert G. Wilson v, May 29 2004 STATUS approved

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Last modified June 3 17:13 EDT 2023. Contains 363116 sequences. (Running on oeis4.)