OFFSET
0,6
LINKS
M. Bernardini, Fernando Torres. "Counting numerical semigroups by genus and even gaps." Discrete Mathematics 340.12 (2017): 2853-2863. Also arXiv:1612.01212.
EXAMPLE
Triangle begins:
1,
1,
1,1,
1,2,1,
1,2,4,
1,2,6,3,
1,2,7,12,1,
1,2,7,19,10,
1,2,7,21,32,4,
1,2,7,23,51,33,1,
1,2,7,23,62,91,18,
1,2,7,23,65,142,98,5,
1,2,7,23,68,174,257,59,1,
1,2,7,23,68,192,412,271,25,
1,2,7,23,68,197,514,678,197,6,
...
CROSSREFS
KEYWORD
nonn,tabf
AUTHOR
N. J. A. Sloane, Oct 19 2017
STATUS
approved