A275839 Fixed points of permutations A275837 & A275838.

0, 1, 2, 5, 6, 14, 24, 54, 120, 145, 264, 411, 464, 720, 842, 1560, 2042, 2408, 2670, 5040, 5766, 10800, 13686, 16590, 18144, 40320, 45384, 85680, 105864, 106153, 131184, 141960, 145728

Offset

0,3

Comments

Numbers n for which A225901(n) = A273667(n).

If n is a member, then A153880(n) is also a member, thus sequence is infinite and all factorial numbers (A000142) are present.

Links

Table of n, a(n) for n=0..32.

Index entries for sequences related to factorial base representation

Prog

(Scheme, with Antti Karttunen's IntSeq-library, two implementations)
(define A275839 (FIXED-POINTS 0 0 A275837))
(define A275839 (MATCHING-POS 0 0 (lambda (n) (= (A225901 n) (A273667 n)))))

Crossrefs

Cf. A000142 (a subsequence).

Cf. A153880, A225901, A273667, A275837, A275838.

Sequence in context: A006596 A000092 A100630 * A057302 A237352 A109784

Adjacent sequences: A275836 A275837 A275838 * A275840 A275841 A275842

Keyword

nonn,base

Author

Antti Karttunen, Aug 13 2016

Status

approved