A245454 Self-inverse permutation of nonnegative integers, A075158-conjugate of blue code: a(n) = 1 + A075157(A193231(A075158(n-1))).

1, 2, 4, 3, 6, 5, 18, 8, 9, 25, 11, 16, 64, 14, 27, 12, 96, 7, 288, 21, 20, 243, 891, 45, 10, 405, 15, 162, 33750, 30, 78650, 75, 625, 2025, 35, 81, 390390, 224, 875, 250, 41, 375, 16384, 270, 24, 300125, 24576, 150, 125, 54, 6125, 1350, 73728, 50, 108, 350, 594, 140777, 5845851, 98, 221433750, 1446445, 343, 13

Offset

1,2

Links

Antti Karttunen, Table of n, a(n) for n = 1..512

Index entries for sequences that are permutations of the natural numbers

Formula

a(n) = 1 + A075157(A193231(A075158(n-1))).

Prog

(Scheme) (define (A245454 n) (+ 1 (A075157 (A193231 (A075158 (- n 1))))))

Crossrefs

Cf. A193231, A075157, A075158, A234747, A234748.

Similar permutations: A245451, A245452, A122111, A241909, A241916.

Sequence in context: A328108 A091850 A332450 * A375615 A143273 A141429

Adjacent sequences: A245451 A245452 A245453 * A245455 A245456 A245457

Keyword

nonn

Author

Antti Karttunen, Jul 22 2014

Status

approved