



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
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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: A238784 A147610 A238313 * A098743 A283484 A130560
Adjacent sequences: A163267 A163268 A163269 * A163271 A163272 A163273


KEYWORD

nonn


AUTHOR

Mats Granvik, Jul 24 2009


STATUS

approved



