A277818 Index of the column where n is located in array A277820: a(n) = 1 + A268389(n).

1, 1, 2, 1, 3, 2, 1, 1, 2, 3, 1, 2, 1, 1, 4, 1, 5, 2, 1, 3, 1, 1, 2, 2, 1, 1, 3, 1, 2, 4, 1, 1, 2, 5, 1, 2, 1, 1, 3, 3, 1, 1, 2, 1, 4, 2, 1, 2, 1, 1, 6, 1, 2, 3, 1, 1, 3, 2, 1, 4, 1, 1, 2, 1, 3, 2, 1, 5, 1, 1, 2, 2, 1, 1, 4, 1, 2, 3, 1, 3, 1, 1, 2, 1, 7, 2, 1, 1, 2, 4, 1, 2, 1, 1, 3, 2, 1, 1, 3, 1, 2, 6, 1, 1, 4, 2, 1, 3, 1, 1, 2, 1, 2, 3, 1, 2, 1, 1, 5, 4

Offset: 1

Author

Antti Karttunen, Nov 02 2016

Keywords

• nonn
• base

Comments

Ordinal transform of A268671.

Links

• Antti Karttunen, Table of n, a(n) for n = 1..16384
• Index entries for sequences related to binary expansion of n
• Index entries for sequences operating on polynomials in ring GF(2)[X]

Crossrefs

One more than A268389.

Cf. A277820.

Cf. A268671 for the other index, also A277822.

Programs

Scheme

(define (A277818 n) (+ 1 (A268389 n)))

Formula

a(n) = 1 + A268389(n).