A134699 A051731^2 * A000012.

1, 3, 1, 3, 1, 1, 6, 3, 1, 1, 3, 1, 1, 1, 1, 9, 5, 3, 1, 1, 1, 3, 1, 1, 1, 1, 1, 1, 10, 6, 3, 3, 1, 1, 1, 1, 6, 3, 3, 1, 1, 1, 1, 1, 1, 9, 5, 3, 3, 3, 1, 1, 1, 1, 1

Offset

1,2

Comments

Left column = A007425.

Row sums = A007429: (1, 4, 5, 11, 7, 20, ...).

A134700 = A000012 * A127170

Links

Table of n, a(n) for n=1..55.

Formula

A051731^2 * A000012 = A127170 * A000012, as infinite lower triangular matrices.

Example

First few rows of the triangle:
   1;
   3, 1;
   3, 1, 1;
   6, 3, 1, 1;
   3, 1, 1, 1, 1;
   9, 5, 3, 1, 1, 1;
   3, 1, 1, 1, 1, 1, 1;
  10, 6, 3, 3, 1, 1, 1, 1;
  ...

Crossrefs

Cf. A127170, A051731, A007429, A007425, A134700.

Sequence in context: A115627 A128218 A010283 * A375117 A331286 A272880

Adjacent sequences: A134696 A134697 A134698 * A134700 A134701 A134702

Keyword

nonn,tabl,more

Author

Gary W. Adamson, Nov 06 2007

Status

approved