OFFSET
0,9
EXAMPLE
Triangle starts:
[1]
[0, 1]
[0, -1, 1]
[0, 1, -3, 1]
[0, 1, 6, -6, 1]
[0, -15, 10, 20, -10, 1]
[0, 48, -225, 50, 50, -15, 1]
[0, 581, 1008, -1575, 175, 105, -21, 1]
CROSSREFS
KEYWORD
AUTHOR
Peter Luschny, Apr 01 2015
STATUS
approved