A180338 Triangle by rows, A033452 convolved with A000079

1, 2, 5, 4, 10, 22, 8, 20, 44, 99, 16, 40, 88, 198, 471, 32, 80, 176, 396, 942, 2386, 64, 160, 352, 792, 1884, 4772, 12867, 128, 324, 704, 1584, 3768, 9544, 25734, 73681

Offset

0,2

Comments

Row sums = A058681: (1, 7, 36, 171, 813, 4012, 20891,...).

Links

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

Formula

Antidiagonals of a multiplication table generated from A033452 * powers of 2.

Example

First few rows of the triangle =
1;
2, 5;
4, 10, 22;
8, 20, 44, 99;
16, 40, 88, 198, 471;
32, 80, 176, 396, 942, 2386;
64, 160, 352, 792, 1884, 4772, 12867;
128, 324, 704, 1584, 3768, 9544, 25734, 73681;
...

Crossrefs

Cf. A033452, A058681

Sequence in context: A114393 A241256 A230435 * A232646 A100710 A069913

Adjacent sequences: A180335 A180336 A180337 * A180339 A180340 A180341

Keyword

nonn,tabl

Author

Gary W. Adamson, Aug 28 2010

Status

approved