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

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)))))

Crossrefs

Complement: A275833.

A subsequence of A273670 and A275814.

Cf. A060117, A060118, A275726, A275832.

Sequence in context: A109180 A025054 A310947 * A310948 A310949 A139586

Adjacent sequences: A275831 A275832 A275833 * A275835 A275836 A275837

Keyword

nonn

Author

Antti Karttunen, Aug 11 2016

Status

approved