A134308 A007318 * A082137.

1, 2, 1, 4, 4, 2, 8, 12, 12, 4, 16, 32, 48, 32, 8, 32, 80, 160, 160, 80, 16, 64, 192, 480, 640, 480, 192, 32, 128, 448, 1344, 2240, 2240, 1344, 448, 64, 256, 1024, 3584, 7168, 8960, 7168, 3584, 1024, 128, 512, 2304, 9216, 21504, 32256, 32256, 21504, 9216, 2304, 256

Offset

0,2

Comments

row sums = A007582: (1, 3, 10, 36, 136, 528, ...).

Links

Table of n, a(n) for n=0..54.

Formula

Binomial transform of A082137, as infinite lower triangular matrices.

Example

First few rows of the triangle:
   1;
   2,  1;
   4,  4,   2;
   8, 12,  12,   4;
  16, 32,  48,  32,  8;
  32, 80, 160, 160, 80, 16;
  ...

Crossrefs

Cf. A007318, A007582, A082137.

Sequence in context: A192017 A180566 A051289 * A090802 A129159 A095830

Adjacent sequences: A134305 A134306 A134307 * A134309 A134310 A134311

Keyword

nonn,tabl

Author

Gary W. Adamson, Oct 19 2007

Extensions

a(5), a(46) corrected, a(27), a(34) split by Georg Fischer, Jun 01 2023

Status

approved