A118034 Column 1 of triangle A118032, where column 1 of the matrix square of A118032 forms a bisection of this sequence.

1, 2, 4, 8, 14, 28, 44, 86, 130, 250, 364, 696, 990, 1824, 2540, 4754, 6514, 11562, 15640, 28720, 38434, 66318, 87940, 159018, 209166, 352462, 460224, 820296, 1063818, 1758918, 2266576, 3985674, 5105788, 8301164, 10573476, 18387760

Offset

0,2

Comments

Column 1 of triangle A118040 (matrix square of A118032) equals A118042, the even-indexed bisection of this sequence. Column 1 of triangle A118045 equals A118047, the odd-indexed bisection of this sequence.

Links

Table of n, a(n) for n=0..35.

Crossrefs

Cf. A118032 (triangle), A118033 (column 0), A118035 (column 2); bisections: A118042 (even-indexed), A118047 (odd-indexed); related triangles: A118040 (A118032^2), A118045.

Sequence in context: A210669 A122026 A196721 * A096590 A068912 A164176

Adjacent sequences: A118031 A118032 A118033 * A118035 A118036 A118037

Keyword

nonn

Author

Paul D. Hanna, Apr 10 2006

Status

approved