A134233 (A007318 * A134082 + A134082 * A007318) - A007318 as infinite lower triangular matrices.

1, 5, 1, 9, 10, 1, 13, 27, 15, 1, 17, 52, 54, 20, 1, 21, 85, 130, 90, 25, 25, 126, 255, 260, 135, 30, 1, 29, 175, 441, 595, 455, 189, 35, 33, 232, 700, 1176, 1190, 728, 252, 40, 1, 37, 297, 1044, 2100, 2646, 2142, 1092, 324, 45, 1

Offset

0,2

Comments

Row sums = A014480: (1, 6, 20, 56, 144, 352, ...).

Also 2*A134083-A007318 as infinite lower triangular matrices. - Philippe Deléham, Oct 15 2007

Links

Table of n, a(n) for n=0..52.

Example

First few rows of the triangle:
   1;
   5,   1;
   9,  10,   1;
  13,  27,  15,   1;
  17,  52,  54,  20,   1;
  21,  85, 130,  90,  25,   1;
  ...

Crossrefs

Cf. A134082, A014480.

Sequence in context: A182498 A147406 A147354 * A100542 A324378 A147404

Adjacent sequences: A134230 A134231 A134232 * A134234 A134235 A134236

Keyword

nonn,tabl

Author

Gary W. Adamson, Oct 14 2007

Status

approved