OFFSET
1,5
COMMENTS
LINKS
Eric Weisstein's World of Mathematics, Irredundant Set
EXAMPLE
Triangle begins:
1;
1, 1;
1, 2, 1;
1, 6, 3, 1;
1, 13, 15, 4, 1;
1, 36, 83, 30, 5, 1;
1, 101, 582, 302, 51, 6, 1;
1, 364, 6025, 5025, 843, 80, 7, 1;
1, 1511, 99503, 144371, 27160, 1996, 117, 8, 1;
1, 7917, 2706030, 7441332, 1733212, 112291, 4211, 164, 9, 1;
...
CROSSREFS
KEYWORD
nonn,tabl
AUTHOR
Andrew Howroyd, Feb 11 2020
STATUS
approved