A137805 Self-inverse integer permutation induced by Beatty sequences for Sqrt(2)+1/2 and (4*Sqrt(2)+9)/7.

2, 1, 4, 3, 6, 5, 8, 7, 10, 9, 12, 11, 14, 13, 16, 15, 18, 17, 20, 19, 23, 25, 21, 27, 22, 29, 24, 31, 26, 33, 28, 35, 30, 37, 32, 39, 34, 41, 36, 43, 38, 46, 40, 48, 50, 42, 52, 44, 54, 45, 56, 47, 58, 49, 60, 51, 62, 53, 64, 55, 67, 57, 69, 59, 71, 73, 61, 75, 63, 77, 65, 79

Offset

1,1

Links

R. Zumkeller, Table of n, a(n) for n = 1..1000

Eric Weisstein's World of Mathematics, Beatty Sequence

Index entries for sequences that are permutations of the natural numbers

Index entries for sequences related to Beatty sequences

Formula

a(A137803(n)) = A137804(n) and a(A137804(n)) = A137803(n).

Crossrefs

Sequence in context: A114285 A014681 A103889 * A163501 A306229 A375757

Adjacent sequences: A137802 A137803 A137804 * A137806 A137807 A137808

Keyword

nonn

Author

Reinhard Zumkeller, Feb 11 2008

Status

approved