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A007479 Earliest sequence with a(a(a(n))) = 2n.
(Formerly M2513)
+0
1
0, 3, 6, 5, 12, 2, 10, 9, 24, 11, 4, 14, 20, 15, 18, 17, 48, 26, 22, 21, 8, 23, 28, 38, 40, 27, 30, 29, 36, 50, 34, 33, 96, 35, 52, 62, 44, 39, 42, 41, 16, 74, 46, 45, 56, 47, 76, 86, 51, 54, 53, 60, 98, 58, 57, 72, 59, 100, 110, 68, 63, 66, 65 (list; graph; listen)
OFFSET

0,2

REFERENCES

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

LINKS

Index entries for sequences of the a(a(n)) = 2n family

CROSSREFS

Sequence in context: A096620 A093419 A160049 this_sequence A076535 A095359 A048724

Adjacent sequences: A007476 A007477 A007478 this_sequence A007480 A007481 A007482

KEYWORD

easy,nonn,nice

AUTHOR

N. J. A. Sloane (njas(AT)research.att.com).

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Last modified December 5 23:38 EST 2009. Contains 170428 sequences.


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