A165478 Positions of zeros in A165477.

0, 131070, 131071, 262141, 262142, 393212, 393213, 524283, 524284, 655354, 655355, 786425, 786426, 917496, 917497, 1048567, 1048568, 1179638, 1179639, 1310709, 1310710, 1441780, 1441781, 1572851, 1572852, 1703922, 1703923

Offset

0,2

Links

Table of n, a(n) for n=0..26.

Formula

a(n) = floor(n/2)*131071 + (n modulo 2)*131070

Prog

(MIT Scheme:) (define (A165478 n) (+ (* (floor->exact (/ n 2)) 131071) (* (modulo n 2) 131070)))

Crossrefs

See also A165479. Compare also to A165473, A165483.

Sequence in context: A013693 A103534 A239610 * A051331 A075972 A011567

Adjacent sequences: A165475 A165476 A165477 * A165479 A165480 A165481

Keyword

nonn

Author

Antti Karttunen, Sep 21 2009

Status

approved