A269394 Permutation of natural numbers: a(n) = A269172(3*n) / 3.

1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28, 29, 30, 31, 32, 33, 34, 35, 36, 49, 38, 39, 40, 41, 42, 43, 44, 37, 46, 47, 48, 45, 50, 51, 52, 53, 54, 55, 56, 57, 58, 59, 60, 97, 62, 63, 64, 65, 66, 67, 68, 69, 70, 71, 72, 61, 98, 99, 76, 77, 78, 79, 80, 73, 82, 83, 84, 81

Offset

1,2

Comments

The first non-fixed term is a(37)=49.

Links

Table of n, a(n) for n=1..85.

Index entries for sequences that are permutations of the natural numbers

Formula

a(n) = A269172(3*n) / 3.

Prog

(Scheme) (define (A269394 n) (/ (A269172 (* 3 n)) 3))

Crossrefs

Inverse: A269393.

Cf. A269172, A269396.

Sequence in context: A296870 A085735 A269393 * A273884 A273058 A044922

Adjacent sequences: A269391 A269392 A269393 * A269395 A269396 A269397

Keyword

nonn

Author

Antti Karttunen, Mar 03 2016

Status

approved