A274623 Left half of triangular array in A274622.

1, 2, 1, 4, 2, 8, 4, 14, 8, 24, 1, 14, 40, 2, 24, 64, 4, 40, 100, 8, 64, 154, 14, 100, 232, 24, 154, 344, 1, 40, 232, 504, 2, 64, 344, 728, 4, 100, 504, 1040

Offset

0,2

Comments

See A274622, which is the main entry for this array, for further information.

Links

Table of n, a(n) for n=0..39.

Example

Triangle begins:
1,
2,
1,4,
2,8,
4,14,
8,24,
1,14,40,
2,24,64,
4,40,100,
8,64,154,
14,100,232,
24,154,344,
1,40,232,504,
2,64,344,728,
4,100,504,1040,
...

Crossrefs

Cf. A274622, A274624, A274625.

Sequence in context: A233327 A307107 A085086 * A265256 A135530 A137206

Adjacent sequences: A274620 A274621 A274622 * A274624 A274625 A274626

Keyword

nonn,tabf,more

Author

N. J. A. Sloane, Jul 04 2016

Status

approved