A131953 A130321 + A059268 - A000012(signed).

1, 4, 2, 4, 5, 4, 10, 5, 7, 8, 16, 11, 7, 11, 16, 34, 17, 13, 11, 19, 32, 64, 35, 19, 17, 19, 35, 64, 130, 65, 37, 23, 25, 35, 67, 128, 256, 131, 67, 41, 31, 41, 67, 131, 256, 514, 257, 133, 71, 49, 47, 73, 131, 259, 512

Offset

0,2

Comments

Row sums = A101622 starting (1, 6, 13, 30, 61, 126, ...).

Links

Table of n, a(n) for n=0..54.

Formula

A130321 + A059268 - A000012 (signed + - + -, ... by columns) as infinite lower triangular matrices.

Example

First few rows of the triangle:
   1;
   4,  2;
   4,  5,  4;
  10,  5,  7,  8;
  16, 11,  7, 11, 16;
  34, 17, 13, 11, 19, 32;
  64, 35, 19, 17, 19, 35, 64;
  ...

Crossrefs

Cf. A130321, A059268, A101622.

Sequence in context: A258852 A021706 A224183 * A167508 A167507 A007005

Adjacent sequences: A131950 A131951 A131952 * A131954 A131955 A131956

Keyword

nonn,tabl

Author

Gary W. Adamson, Jul 30 2007

Status

approved