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A022427 a(n) = c(n-1) + c(n-3) where c is the sequence of numbers not in a. 3
1, 2, 3, 10, 12, 14, 16, 19, 22, 26, 30, 33, 37, 39, 43, 45, 48, 51, 53, 56, 59, 61, 65, 67, 70, 73, 76, 79, 82, 85, 88, 91, 95, 97, 101, 104, 107, 111, 113, 117, 120, 123, 126, 129, 132, 135, 139, 141, 145, 147, 151, 153, 157, 159, 163, 165, 169, 171 (list; graph; refs; listen; history; text; internal format)
OFFSET

0,2

LINKS

Ivan Neretin, Table of n, a(n) for n = 0..10000

J-P. Bode, H. Harborth, C. Kimberling, Complementary Fibonacci sequences, Fibonacci Quarterly 45 (2007), 254-264.

MATHEMATICA

Fold[Append[#1, Plus @@ Complement[Range[Max@#1 + 3], #1][[{#2, #2 + 2}]]] &, {1, 2, 3}, Range[55]] (* Ivan Neretin, Mar 28 2017 *)

CROSSREFS

Cf. A022424 and references therein.

Cf. A299536.

Sequence in context: A302388 A006092 A015859 * A061868 A004679 A168060

Adjacent sequences:  A022424 A022425 A022426 * A022428 A022429 A022430

KEYWORD

nonn

AUTHOR

Clark Kimberling

STATUS

approved

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Last modified September 20 10:49 EDT 2020. Contains 337264 sequences. (Running on oeis4.)