A274300 Arises in study of A000587.

1, 1, 1, 5, 13, 13, 13, 77, 77, 333, 845, 1869, 3917, 8013, 8013, 24397, 57165, 122701, 122701

Offset

0,4

References

De Angelis, Valerio, and Dominic Marcello. "Wilf′s Conjecture." The American Mathematical Monthly 123.6 (2016): 557-573. (Note a(14) has a typo.)

Links

Table of n, a(n) for n=0..18.

Crossrefs

Cf. A000587, A274301.

Sequence in context: A130502 A320814 A274302 * A051899 A085956 A232610

Adjacent sequences: A274297 A274298 A274299 * A274301 A274302 A274303

Keyword

nonn,more

Author

N. J. A. Sloane, Jun 20 2016

Status

approved