0,4
De Angelis, Valerio, and Dominic Marcello. "Wilf′s Conjecture." The American Mathematical Monthly 123.6 (2016): 557-573. (Note a(14) has a typo.)
Table of n, a(n) for n=0..18.
Cf. A000587, A274301.
Sequence in context: A130502 A320814 A274302 * A051899 A085956 A232610
Adjacent sequences: A274297 A274298 A274299 * A274301 A274302 A274303
nonn,more
N. J. A. Sloane, Jun 20 2016
approved