A247425 A005206(A003259(n)).

1, 3, 4, 6, 7, 9, 11, 12, 14, 16, 17, 19, 20, 22, 24, 25, 27, 28, 30, 32, 33, 35, 37, 38, 40, 41, 43, 45, 46, 48, 49, 51, 53, 54, 56, 58, 59, 61, 62, 64, 66, 67, 69, 71, 72, 74, 75, 77, 79, 80, 82, 83, 85, 87, 88, 90, 92, 93, 95, 96, 98, 100, 101, 103, 105

Offset

1,2

Comments

This is the function named psi in [Carlitz].

Links

Table of n, a(n) for n=1..65.

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

Formula

a(n) = A000201(n) - 1 for n of the form A000201(A003234(j)) + 1; a(n) = A000201(n) for other n. [Carlitz, Thm. 4.6].

Crossrefs

Sequence in context: A330095 A059552 A047516 * A236444 A286809 A352178

Adjacent sequences: A247422 A247423 A247424 * A247426 A247427 A247428

Keyword

nonn

Author

Eric M. Schmidt, Sep 17 2014

Status

approved