A118047 Column 1 of triangle A118045; also equals a bisection of A118034, which is column 1 of A118032.

2, 8, 28, 86, 250, 696, 1824, 4754, 11562, 28720, 66318, 159018, 352462, 820296, 1758918, 3985674, 8301164, 18387760, 37363592, 80821750, 160486846, 341134360, 664796080, 1382614158, 2643480612, 5427669252, 10233128562, 20595748670

Offset

0,1

Comments

Triangle A118045 is a diagonal bisection of triangle A118032.

Links

Table of n, a(n) for n=0..27.

Crossrefs

Cf. A118034; A118045 (triangle), A118046 (column 0), A118048 (column 2); A118049 (row sums); related triangles: A118032, A118040.

Sequence in context: A082107 A135263 A048497 * A087431 A176758 A178222

Adjacent sequences: A118044 A118045 A118046 * A118048 A118049 A118050

Keyword

nonn

Author

Paul D. Hanna, Apr 10 2006

Status

approved