

A064666


Regard A064413 as giving a permutation of the positive integers; sequence gives first infinite cycle, reading backwards beginning at its smallest term, 7.


1



7, 14, 13, 28, 26, 27, 22, 19, 37, 67, 128, 122, 114, 102, 95, 85, 84, 77, 78, 70, 55, 53, 100, 86, 80, 72, 63, 51, 34, 32, 31, 61, 115, 111, 68, 65, 54, 48, 45, 39, 29, 57, 38, 36, 30, 23, 43, 81, 76, 71, 134, 127, 236, 224, 195, 172, 164, 158, 150, 141, 90
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OFFSET

1,1


LINKS

Table of n, a(n) for n=1..61.
J. C. Lagarias, E. M. Rains and N. J. A. Sloane, The EKG sequence, Exper. Math. 11 (2002), 437446.
Index entries for sequences related to EKG sequence


EXAMPLE

Permutation has cycles (1) (2) (3, 4, 6, 9, 10, 5) ( ..., 20, 18, 12, 7, 14, 13, 28, 26, ...) (8) ...


CROSSREFS

Cf. A064413, A064665A064669.
Sequence in context: A269161 A307964 A225556 * A269160 A286418 A040042
Adjacent sequences: A064663 A064664 A064665 * A064667 A064668 A064669


KEYWORD

nonn


AUTHOR

N. J. A. Sloane, Oct 11 2001


STATUS

approved



