

A064668


Regard A064413 as giving a permutation of the positive integers; sequence gives second infinite cycle, reading backwards beginning at its smallest term, 73.


2



73, 138, 131, 253, 248, 234, 219, 139, 264, 247, 242, 229, 438, 413, 397, 756, 716, 679, 647, 1242, 1184, 1130, 1076, 1027, 993, 630, 594, 564, 537, 337, 639, 608, 576, 547, 1041, 656, 626, 598, 569, 1080, 1023, 948, 904, 871, 844, 805, 772, 733
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OFFSET

1,1


LINKS

Table of n, a(n) for n=1..48.
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: A140742 A142929 A027898 * A196655 A196656 A229157
Adjacent sequences: A064665 A064666 A064667 * A064669 A064670 A064671


KEYWORD

nonn


AUTHOR

N. J. A. Sloane, Oct 11 2001


STATUS

approved



