login
A091611
Column 1 of triangle A091604.
1
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
CROSSREFS
Sequence in context: A204656 A070689 A339312 * A107742 A228779 A158510
KEYWORD
nonn
AUTHOR
Christian G. Bower, Jan 23 2004
STATUS
approved