A275834 - OEIS

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A275834

Positions of even terms in A275832; indices of those permutations in tables A060117 & A060118 where element 1 is in an even cycle.

1, 4, 7, 9, 11, 15, 16, 17, 18, 20, 21, 23, 25, 28, 31, 34, 37, 40, 43, 46, 49, 51, 53, 55, 58, 66, 68, 70, 75, 76, 77, 85, 88, 90, 91, 92, 96, 98, 99, 101, 102, 104, 106, 108, 109, 110, 115, 118, 121, 124, 127, 129, 131, 135, 136, 137, 138, 140, 141, 143, 145, 148, 151, 153, 155, 159, 160, 161, 162, 164, 165, 167, 169, 172, 175, 177, 179

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OFFSET

1,2

COMMENTS

Equally: positions of even terms in A275726.

LINKS

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

Indranil Ghosh, Python program for computing this sequence

Index entries for sequences related to factorial base representation

PROG

(Scheme, with Antti Karttunen's IntSeq-library)

(define A275834 (MATCHING-POS 1 1 (lambda (n) (even? (A275832 n)))))