A128224 Duplicate of A125026.

1, 3, 2, 5, 7, 3, 7, 15, 13, 4, 9, 26, 34, 21, 5, 11, 40, 70, 65, 31, 6, 13, 57, 125, 155, 111, 43, 7, 15, 77, 203, 315, 301, 175, 57, 8, 17, 100, 308, 574, 686, 532, 260, 73, 9, 19, 126, 444, 966, 1386, 876, 369, 91, 10

Offset

1,2

Comments

Row sums = A099035: (1, 5, 15, 39, 95, 223, 511, 1151, ...).

References

A007318 * A127899 (unsigned) as infinite lower triangular matrices.

Links

Table of n, a(n) for n=1..54.

Example

First few rows of the triangle:
   1;
   3,  2;
   5,  7,   3;
   7, 15,  13,   4;
   9, 26,  34,  21,   5;
  11, 40,  70,  65,  31,  6;
  13, 57, 125, 155, 111, 43, 7;
  ...

Crossrefs

Cf. A007318, A127899, A099035.

Sequence in context: A303766 A181883 A021311 * A125026 A130295 A208613

Adjacent sequences: A128221 A128222 A128223 * A128225 A128226 A128227

Keyword

dead

Author

Gary W. Adamson, Feb 19 2007

Status

approved