A133729 A007318 * A133728.

1, 1, 3, 2, 6, 5, 4, 12, 15, 7, 8, 24, 35, 28, 9, 16, 48, 75, 77, 45, 11, 32, 96, 155, 182, 144, 66, 13, 64, 192, 315, 399, 378, 242, 91, 15, 128, 384, 635, 840, 891, 704, 377, 120, 17

Offset

1,3

Comments

Row sums = A049611: (1, 4, 13, 38, 104, 272, ...).

Links

Table of n, a(n) for n=1..45.

Formula

Binomial transform of triangle A133728.

Example

First few rows of the triangle:
   1;
   1,  3;
   2,  6,  5;
   4, 12, 15,  7;
   8, 24, 35, 28,  9;
  16, 48, 75, 77, 45, 11;
  ...

Crossrefs

Cf. A133728, A049611.

Sequence in context: A191445 A277880 A132667 * A244987 A171417 A347740

Adjacent sequences: A133726 A133727 A133728 * A133730 A133731 A133732

Keyword

nonn,tabl

Author

Gary W. Adamson, Sep 21 2007

Status

approved