A295892 a(n) = 1 if binary weights of n and A003961(n) are of the same parity, 0 otherwise.

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

Offset

1

Links

Antti Karttunen, Table of n, a(n) for n = 1..8192

Index entries for sequences related to binary expansion of n

Index entries for characteristic functions

Index entries for sequences computed from indices in prime factorization

Formula

a(n) = A000035(1+A000120(n)+A000120(A003961(n))).

a(n) = 1 - A295891(n).

Prog

(Scheme) (define (A295892 n) (A000035 (+ 1 (A000120 n) (A000120 (A003961 n)))))

Crossrefs

Cf. A000035, A000120, A003961, A010060, A295889, A295891.

Sequence in context: A152490 A361465 A145273 * A120522 A157423 A098033

Adjacent sequences: A295889 A295890 A295891 * A295893 A295894 A295895

Keyword

nonn

Author

Antti Karttunen, Nov 30 2017

Status

approved