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A307151
Row 5 of array in A059897.
4
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.
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
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