OFFSET
-1,5
EXAMPLE
Triangle starts:
[-1] 1;
[0] -1, 1, 1;
[1] 2, -1, -4, 1, 2;
[2] -16, 5, 48, -10, -48, 5, 16;
[3] 272, -61, -1088, 183, 1632, -183, -1088, 61, 272;
[4] -7936, 1385, 39680, -5540, -79360, 8310, 79360, -5540, -39680, 1385, 7936;
CROSSREFS
KEYWORD
sign,tabf
AUTHOR
Peter Luschny, Aug 08 2019
STATUS
approved