A247426 Complement of A247425.

2, 5, 8, 10, 13, 15, 18, 21, 23, 26, 29, 31, 34, 36, 39, 42, 44, 47, 50, 52, 55, 57, 60, 63, 65, 68, 70, 73, 76, 78, 81, 84, 86, 89, 91, 94, 97, 99, 102, 104, 107, 110, 112, 115, 118, 120, 123, 125, 128, 131, 133, 136, 139, 141, 144, 146, 149, 152, 154, 157

Offset

1,1

Comments

This is the function named psi' in [Carlitz].

Links

Table of n, a(n) for n=1..60.

L. Carlitz, R. Scoville and T. Vaughan, Some arithmetic functions related to Fibonacci numbers, Fib. Quart., 11 (1973), 337-386.

Formula

a(n) = A001950(n) for n in A003233; a(n) = A001950(n) + 1 for other n. [Carlitz, Thm. 4.7]

Crossrefs

Sequence in context: A121294 A039770 A236019 * A047618 A236535 A059551

Adjacent sequences: A247423 A247424 A247425 * A247427 A247428 A247429

Keyword

nonn

Author

Eric M. Schmidt, Sep 17 2014

Status

approved