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 A293285 Square array A(n,k), n >= 0, k >= 0, read by antidiagonals, where column k is the expansion of g.f. Product_{i>0} 1/(Sum_{j=0..k} j!*x^(j*i)). 3
 1, 1, 0, 1, -1, 0, 1, -1, 0, 0, 1, -1, -2, -1, 0, 1, -1, -2, 3, 1, 0, 1, -1, -2, -3, -1, -1, 0, 1, -1, -2, -3, 11, -5, 1, 0, 1, -1, -2, -3, -13, 7, 9, -1, 0, 1, -1, -2, -3, -13, 55, -15, 3, 2, 0, 1, -1, -2, -3, -13, -65, 33, -63, -20, -2, 0, 1, -1, -2, -3, -13, -65 (list; table; graph; refs; listen; history; text; internal format)
 OFFSET 0,13 LINKS Seiichi Manyama, Antidiagonals n = 0..139, flattened EXAMPLE Square array begins:    1,  1,  1,  1,   1, ...    0, -1, -1, -1,  -1, ...    0,  0, -2, -2,  -2, ...    0, -1,  3, -3,  -3, ...    0,  1, -1, 11, -13, ...    0, -1, -5,  7,  55, ... CROSSREFS Columns k=0..2 give A000007, A081362, A293287. Rows n=0..1 give A000012, (-1)*A057427. Main diagonal gives A293251. Cf. A293202, A293293. Sequence in context: A109702 A115412 A290217 * A262553 A247506 A182172 Adjacent sequences:  A293282 A293283 A293284 * A293286 A293287 A293288 KEYWORD sign,tabl,look AUTHOR Seiichi Manyama, Oct 04 2017 STATUS approved

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Last modified January 21 17:07 EST 2019. Contains 319350 sequences. (Running on oeis4.)