A003258 The number m such that c'(m) = A005206(A003231(n)), where c'(m) = A249115(m) is the m-th positive integer not in A003231.

2, 3, 5, 7, 8, 10, 12, 13, 15, 16, 18, 20, 21, 23, 24, 26, 28, 29, 31, 33, 34, 36, 37, 39, 41, 42, 44, 46, 47, 49, 50, 52, 54, 55, 57, 58, 60, 62, 63, 65, 67, 68, 70, 71, 73, 75, 76, 78, 80, 81, 83, 84, 86, 88, 89, 91, 92, 94, 96, 97, 99, 101, 102, 104, 105

Offset: 1

Author

N. J. A. Sloane

Keywords

• nonn

Comments

This is the function named phi in the Carlitz-Scoville-Vaughan link. - Eric M. Schmidt, Aug 14 2014

References

• N. J. A. Sloane and Simon Plouffe, The Encyclopedia of Integer Sequences, Academic Press, 1995 (includes this sequence).

Links

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

Formula

Conjecture: a(n) = A078489(n) + n - 1. - Ralf Stephan, Feb 24 2004

Extensions

More terms and a definition from Eric M. Schmidt, Aug 17 2014

Definition edited by Eric M. Schmidt, Aug 07 2015