A071662 Permutation A057506 applied twice ("squared").

0, 1, 2, 3, 4, 7, 5, 6, 8, 9, 17, 12, 16, 21, 10, 18, 11, 14, 20, 13, 15, 19, 22, 23, 45, 31, 44, 58, 26, 49, 30, 42, 57, 35, 43, 56, 63, 24, 46, 32, 47, 59, 25, 48, 28, 37, 54, 34, 40, 53, 62, 27, 50, 29, 38, 55, 33, 39, 51, 61, 36, 41, 52, 60, 64, 65, 129, 87, 128, 170, 73

Offset

0,3

Links

Table of n, a(n) for n=0..70.

A. Karttunen, Gatomorphisms (Includes the complete Scheme source for computing this sequence)

Indranil Ghosh, Python Program for computing this sequence

Index entries for sequences that are permutations of the natural numbers

Crossrefs

Inverse permutation: A071661 and also its car/cdr-flipped conjugate, i.e. A071662(n) = A057163(A071661(A057163(n))) = A057506(A057506(n)). Cf. also A071664, A071666, A071668, A071670.

Sequence in context: A085172 A085164 A071665 * A125978 A268131 A361646

Adjacent sequences: A071659 A071660 A071661 * A071663 A071664 A071665

Keyword

nonn

Author

Antti Karttunen, May 30 2002

Status

approved