[go: up one dir, main page]

login
A293285 revision #16

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
OFFSET
0,13
LINKS
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.
Sequence in context: A109702 A115412 A290217 * A262553 A247506 A182172
KEYWORD
sign,tabl,look
AUTHOR
Seiichi Manyama, Oct 04 2017
STATUS
editing