1,1

This is the function named sigma in [Carlitz] (cf. Thm. 7.2).

Table of n, a(n) for n=1..63.

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

Definition of [Carlitz]: a(n) = A003254(A003247(n)).

Sequence in context: A195125 A228295 A184592 * A316837 A076428 A319747

Adjacent sequences: A247424 A247425 A247426 * A247428 A247429 A247430

nonn

Eric M. Schmidt, Sep 17 2014

approved