OFFSET
0,6
FORMULA
EXAMPLE
Triangle begins:
1;
0, 1;
0, 1, 3;
0, 5, 20, 21;
0, 61, 287, 445, 231;
0, 1385, 7244, 13688, 11206, 3453;
0, 50521, 285295, 612556, 631862, 320159, 65271;
0, 2702765, 16195816, 38143429, 45667208, 29860381, 10300476, 1491381;
CROSSREFS
KEYWORD
AUTHOR
Philippe Deléham, Oct 29 2003, Nov 07 2007
STATUS
approved