A091611 Column 1 of triangle A091604.

1, 2, 4, 6, 10, 17, 25, 38, 57, 84, 120, 174, 243, 342, 472, 650, 882, 1200, 1605, 2150, 2848, 3767, 4937, 6467, 8396, 10891, 14032, 18046, 23073, 29458, 37405, 47421, 59850, 75396, 94601, 118501, 147888, 184254, 228823, 283677, 350655, 432737

Offset

1,2

Links

Table of n, a(n) for n=1..42.

Crossrefs

Sequence in context: A204656 A070689 A339312 * A107742 A228779 A158510

Adjacent sequences: A091608 A091609 A091610 * A091612 A091613 A091614

Keyword

nonn

Author

Christian G. Bower, Jan 23 2004

Status

approved