A307151 Row 5 of array in A059897.

5, 10, 15, 20, 1, 30, 35, 40, 45, 2, 55, 60, 65, 70, 3, 80, 85, 90, 95, 4, 105, 110, 115, 120, 125, 130, 135, 140, 145, 6, 155, 160, 165, 170, 7, 180, 185, 190, 195, 8, 205, 210, 215, 220, 9, 230, 235, 240, 245, 250, 255, 260, 265, 270, 11, 280, 285, 290, 295

Offset

1,1

Comments

Also column 5 of A059897.

A self-inverse permutation of the positive integers with no fixed points that swaps pairs of integers whose ratio is 1:5.

Links

Alois P. Heinz, Table of n, a(n) for n = 1..10000

Index entries for sequences that are permutations of the natural numbers

Formula

a(n) = A059897(5,n) = A059897(n,5).

Maple

a:= n-> `if`(padic[ordp](n, 5)::odd, n/5, n*5):
seq(a(n), n=1..60);

Crossrefs

Cf. A059897.

Has same start as A283442 but that sequence is different (it has repeated terms).

Sequence in context: A181579 A137936 A283442 * A109046 A048725 A190240

Adjacent sequences: A307148 A307149 A307150 * A307152 A307153 A307154

Keyword

nonn

Author

Peter Munn and N. J. A. Sloane, Mar 29 2019

Extensions

More terms from Alois P. Heinz, Mar 31 2019

Status

approved