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A293139
Square array A(n,k), n >= 0, k >= 0, read by antidiagonals, where column k is the expansion of e.g.f. Product_{i>0} Sum_{j=0..k} (-1)^j*x^(j*i)/j!.
5
1, 1, 0, 1, -1, 0, 1, -1, -2, 0, 1, -1, -1, 0, 0, 1, -1, -1, 0, 0, 0, 1, -1, -1, -1, 0, 120, 0, 1, -1, -1, -1, 0, 0, 0, 0, 1, -1, -1, -1, 1, 20, 180, 5040, 0, 1, -1, -1, -1, 1, 20, 180, 0, 0, 0, 1, -1, -1, -1, 1, 19, 150, 1260, 10080, 0, 0, 1, -1, -1, -1, 1, 19
OFFSET
0,9
LINKS
EXAMPLE
Square array begins:
1, 1, 1, 1, 1, ...
0, -1, -1, -1, -1, ...
0, -2, -1, -1, -1, ...
0, 0, 0, -1, -1, ...
0, 0, 0, 0, 1, ...
0, 120, 0, 20, 20, ...
CROSSREFS
Columns k=0..2 give A000007, A293140, A293141.
Rows n=0 gives A000012.
Main diagonal gives A293116.
Cf. A293135.
Sequence in context: A357375 A133008 A102550 * A351319 A213725 A213726
KEYWORD
sign,tabl,look
AUTHOR
Seiichi Manyama, Oct 01 2017
STATUS
approved