A179771 Quadrisection of the fourth central column of triangle A122242, a(n) = A179770(4*n).

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

Offset: 1

Author

Antti Karttunen, Aug 03 2010

Keywords

• nonn

Comments

Conjecture: the last zero (107th) occurs at n=166, after which only ones occur.

Links

• A. Karttunen, Table of n, a(n) for n = 1..256

Crossrefs

Cf. A179772-A179774, and also A179776, A179831.

Formula

a(n) = A179770(4*n).