A064665 Regard A064413 as giving a permutation of the positive integers; sequence gives first infinite cycle, beginning at its smallest term, 7.

7, 12, 18, 20, 11, 15, 21, 33, 17, 16, 24, 25, 35, 42, 46, 50, 49, 56, 58, 87, 92, 98, 108, 177, 188, 202, 214, 228, 250, 265, 417, 441, 468, 507, 540, 281, 297, 157, 170, 182, 97, 105, 116, 183, 291, 323, 340, 355, 385, 400, 422, 450, 469, 495, 528

Offset

1,1

Links

Rémy Sigrist, Table of n, a(n) for n = 1..400

J. C. Lagarias, E. M. Rains and N. J. A. Sloane, The EKG sequence, arXiv:math/0204011 [math.NT], 2002; Exper. Math. 11 (2002), 437-446.

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, A064666, A064667, A064668, A064669.

Sequence in context: A272785 A272808 A092094 * A369357 A142337 A131912

Adjacent sequences: A064662 A064663 A064664 * A064666 A064667 A064668

Keyword

nonn

Author

N. J. A. Sloane, Oct 11 2001

Status

approved