A083046 Antidiagonal sums of table A083044.

1, 6, 16, 35, 67, 118, 197, 319, 506, 789, 1215, 1860, 2830, 4290, 6481, 9771, 14708, 22120, 33239, 49921, 74946, 112490, 168807, 253286, 380008, 570095, 855228, 1282931, 1924490, 2886828, 4330341, 6495613, 9743524, 14615392, 21923196

Offset

0,2

Links

Table of n, a(n) for n=0..34.

Formula

a(n) = Sum_{k=0..n} T(k, n-k), where T(n, 0) = floor(n*x/(x-1))+1, T(n, k+1) = ceiling(x*T(n, k)), for n>=0, k>=0, with x=3/2.

Crossrefs

Cf. A083044, A083047, A083050, A083045.

Sequence in context: A131820 A266677 A083053 * A192749 A160997 A334047

Adjacent sequences: A083043 A083044 A083045 * A083047 A083048 A083049

Keyword

nonn

Author

Paul D. Hanna, Apr 18 2003

Status

approved