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 A090044 Triangle read by rows: T(n,k) = A083093 with 1's and 2's interchanged. 1
 2, 2, 2, 2, 1, 2, 2, 0, 0, 2, 2, 2, 0, 2, 2, 2, 1, 2, 2, 1, 2, 2, 0, 0, 1, 0, 0, 2, 2, 2, 0, 1, 1, 0, 2, 2, 2, 1, 2, 1, 2, 1, 2, 1, 2, 2, 0, 0, 0, 0, 0, 0, 0, 0, 2, 2, 2, 0, 0, 0, 0, 0, 0, 0, 2, 2, 2, 1, 2, 0, 0, 0, 0, 0, 0, 2, 1, 2, 2, 0, 0, 2, 0, 0, 0, 0, 0, 2, 0, 0, 2, 2, 2, 0, 2, 2, 0, 0, 0, 0, 2, 2, 0, 2, 2 (list; table; graph; refs; listen; history; text; internal format)
 OFFSET 0,1 LINKS Y. Moshe, The density of 0's in recurrence double sequences, J. Number Theory, 103 (2003), 109-121; see Fig. 1. Y. Moshe, The distribution of elements in automatic double sequences, Discr. Math., 297 (2005), 91-103. FORMULA The negative of Pascal's triangle read mod 3. EXAMPLE 2; 2,2; 2,1,2; 2,0,0,2; ... MATHEMATICA -Mod[ Flatten[ Table[ Binomial[n, k], {n, 0, 13}, {k, 0, n}]], -3] (* Robert G. Wilson v, Jan 19 2004 *) CROSSREFS Cf. A007318, A083093. Sequence in context: A175357 A232800 A248380 * A036238 A318723 A225180 Adjacent sequences:  A090041 A090042 A090043 * A090045 A090046 A090047 KEYWORD nonn,tabl,easy AUTHOR N. J. A. Sloane, Jan 19 2004 EXTENSIONS Extended by Robert G. Wilson v, Jan 19 2004 STATUS approved

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Last modified July 15 14:28 EDT 2019. Contains 325031 sequences. (Running on oeis4.)