A279338 - OEIS

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A279338

a(1) = 1, for n > 1, if A079559(n) = 0, a(n) = 2*a(A256992(n)), otherwise a(n) = A003961(a(A256992(n))).

1, 2, 3, 5, 4, 6, 7, 9, 10, 15, 11, 8, 12, 14, 25, 21, 18, 35, 13, 20, 30, 27, 45, 22, 33, 49, 16, 24, 28, 50, 55, 75, 42, 77, 17, 36, 70, 63, 105, 26, 125, 175, 40, 60, 54, 39, 65, 90, 121, 81, 44, 66, 135, 99, 98, 147, 91, 32, 48, 56, 100, 110, 245, 165, 150, 143, 19, 84, 154, 225, 231, 34, 275, 385, 72, 140, 126, 51, 343, 210, 539, 189, 52

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OFFSET

1,2

COMMENTS

A more recursed variant of A279336.

LINKS

Antti Karttunen, Table of n, a(n) for n = 1..10000

Index entries for sequences that are permutations of the natural numbers

FORMULA

a(1) = 1; for n > 1, if A079559(n) = 0 [when n is a term of A055938], a(n) = 2*a(A256992(n)), otherwise a(n) = A003961(a(A256992(n))).

As a composition of other permutations:

a(n) = A163511(A279341(n)).