A163270 First column in matrix inverse of (A047999*A154990).

1, 1, 1, 3, 1, 3, 3, 13, 1, 3, 3, 13, 3, 13, 13, 75, 1, 3, 3, 13, 3, 13, 13, 75, 3, 13, 13, 75, 13, 75, 75, 541

Offset

1,4

Links

Table of n, a(n) for n=1..32.

Example

First column in the table:
1,
1,1,
1,0,1,
3,1,1,1,
1,0,0,0,1,
3,1,0,0,1,1,
3,0,1,0,1,0,1,
13,3,3,1,3,1,1,1,

Crossrefs

Cf. It appears that A000670 = A163270(A000079).

Sequence in context: A336765 A147610 A238313 * A098743 A283484 A355567

Adjacent sequences: A163267 A163268 A163269 * A163271 A163272 A163273

Keyword

nonn

Author

Mats Granvik, Jul 24 2009

Status

approved