A052116 Number of nonnegative integer pairs (i,j) with binomial(i+r,r) + binomial(j+r,r) <= binomial(n+r,r), r=3.

0, 1, 4, 9, 15, 24, 33, 46, 58, 73, 92, 109, 132, 152, 179, 202, 231, 262, 290, 325, 358, 397, 434, 476, 517, 558, 607, 650, 702, 753, 804, 859, 915, 974, 1033, 1092, 1157, 1221, 1286, 1359, 1426, 1499, 1571, 1650, 1727, 1802, 1883, 1967, 2054, 2135, 2228

Offset

0,3

Links

Table of n, a(n) for n=0..50.

Crossrefs

Cf. A052115, A052117, A052118.

Sequence in context: A004629 A348338 A065893 * A109641 A134675 A050530

Adjacent sequences: A052113 A052114 A052115 * A052117 A052118 A052119

Keyword

nonn

Author

Klaus Strassburger (strass(AT)ddfi.uni-duesseldorf.de), Jan 21 2000

Status

approved