A180739 Diagonal of array arising in computing the number of numerical semigroups using generating functions.

1, 2, 6, 10, 17, 28, 44, 66, 95, 132, 178, 234

Offset

1,2

Links

Table of n, a(n) for n=1..12.

Victor Blanco, Pedro A. Garcia-Sanchez, and Justo Puerto, Computing the number of numerical semigroups using generating functions, arXiv:0901.1228 [math.CO], 2009.

Crossrefs

Sequence in context: A099540 A190695 A238377 * A274679 A229218 A255174

Adjacent sequences: A180736 A180737 A180738 * A180740 A180741 A180742

Keyword

nonn,more

Author

Jonathan Vos Post, Jan 22 2011

Status

approved