login
A100783
Leading diagonal of A100781.
4
1, 4, 15, 20, 55, 42, 105, 88, 207, 140, 297, 228, 403, 280, 615, 416, 697, 522, 893, 680, 1281, 726, 1357, 1056, 1725, 1040, 2133, 1372, 2117, 1590, 2449, 1920, 3267, 1802, 3535, 2412, 3515, 2280, 4641, 3120, 4387, 3234, 4687, 3564, 6525, 3358, 5687
OFFSET
1,2
CROSSREFS
KEYWORD
easy,nonn
AUTHOR
Amarnath Murthy, Nov 30 2004
EXTENSIONS
Extended by Ray Chandler, Dec 10 2004
STATUS
approved