A179770 The fourth central column of triangle A122242, i.e., A179761(4), A179761(11), A179761(20), A179761(31), ...

0, 0, 1, 1, 1, 1, 1, 1, 1, 0, 1, 0, 1, 0, 1, 0, 1, 0, 1, 0, 1, 0, 1, 0, 1, 0, 1, 1, 1, 0, 1, 1, 1, 0, 1, 1, 1, 0, 1, 0, 1, 0, 1, 0, 1, 0, 1, 0, 1, 0, 1, 1, 1, 0, 1, 0, 1, 0, 1, 1, 1, 0, 1, 0, 1, 0, 1, 0, 1, 0, 1, 0, 1, 0, 1, 0, 1, 0, 1, 1, 1, 0, 1, 1, 1, 0, 1, 0, 1, 0, 1, 0, 1, 0, 1, 1, 1, 0, 1, 0, 1, 0

Offset

1,1

Links

A. Karttunen, Table of n, a(n) for n = 1..1024

Formula

a(n) = A179761(A028875(n+2)).

Crossrefs

Cf. A179771-A179774, and also A179775, A179830.

Sequence in context: A373253 A377988 A104121 * A189078 A257834 A173950

Adjacent sequences: A179767 A179768 A179769 * A179771 A179772 A179773

Keyword

nonn

Author

Antti Karttunen, Aug 03 2010

Status

approved