login

Year-end appeal: Please make a donation to the OEIS Foundation to support ongoing development and maintenance of the OEIS. We are now in our 61st year, we have over 378,000 sequences, and we’ve reached 11,000 citations (which often say “discovered thanks to the OEIS”).

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.
(Formerly M0635)
2
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
1,1
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
CROSSREFS
Sequence in context: A077164 A364444 A062132 * A028738 A047222 A028763
KEYWORD
nonn
EXTENSIONS
More terms and a definition from Eric M. Schmidt, Aug 17 2014
Definition edited by Eric M. Schmidt, Aug 07 2015
STATUS
approved