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A269393 Permutation of natural numbers: a(n) = A269171(3*n) / 3. 4
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, 45, 38, 39, 40, 41, 42, 43, 44, 49, 46, 47, 48, 37, 50, 51, 52, 53, 54, 55, 56, 57, 58, 59, 60, 73, 62, 63, 64, 65, 66, 67, 68, 69, 70, 71, 72, 81, 90, 91, 76, 77, 78, 79, 80, 85 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,2

COMMENTS

The first non-fixed term is a(37)=45.

LINKS

Antti Karttunen, Table of n, a(n) for n = 1..8192

Index entries for sequences that are permutations of the natural numbers

FORMULA

a(n) = A269171(3*n) / 3.

PROG

(Scheme) (define (A269393 n) (/ (A269171 (* 3 n)) 3))

CROSSREFS

Inverse: A269394.

Cf. A269171, A269395.

Sequence in context: A178772 A296870 A085735 * A269394 A273884 A273058

Adjacent sequences:  A269390 A269391 A269392 * A269394 A269395 A269396

KEYWORD

nonn

AUTHOR

Antti Karttunen, Mar 03 2016

STATUS

approved

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Last modified May 5 22:32 EDT 2021. Contains 343578 sequences. (Running on oeis4.)