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A003249 a(n) = A001950(A003234(n)) + 1.
(Formerly M4492)
6

%I M4492 #23 Oct 21 2023 17:16:39

%S 8,21,29,42,50,55,63,76,84,97,110,118,131,139,144,152,165,173,186,194,

%T 199,207,220,228,241,254,262,275,283,288,296,309,317,330,338,343,351,

%U 364,372,377,385,398,406,419,427,432,440,453,461,474,487,495,508,516

%N a(n) = A001950(A003234(n)) + 1.

%C This is the function named u' in [Carlitz]. - _Eric M. Schmidt_, Aug 14 2014

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

%H L. Carlitz, R. Scoville and T. Vaughan, <a href="http://www.fq.math.ca/Scanned/11-4/carlitz.pdf">Some arithmetic functions related to Fibonacci numbers</a>, Fib. Quart., 11 (1973), 337-386.

%o (Haskell)

%o a003249 = (+ 1) . a001950 . a003234 -- _Reinhard Zumkeller_, Oct 03 2014

%Y Cf. A242094 (complement), A001950, A003234.

%K nonn

%O 1,1

%A _N. J. A. Sloane_

%E Corrected and extended by, and a definition from _Eric M. Schmidt_, Aug 14 2014

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Last modified April 25 10:51 EDT 2024. Contains 371967 sequences. (Running on oeis4.)