A276932 Row 2 of A276953: a(n) = A153880(A273670(n)).

2, 8, 12, 14, 26, 32, 36, 38, 50, 56, 60, 62, 72, 74, 78, 80, 84, 86, 122, 128, 132, 134, 146, 152, 156, 158, 170, 176, 180, 182, 192, 194, 198, 200, 204, 206, 242, 248, 252, 254, 266, 272, 276, 278, 290, 296, 300, 302, 312, 314, 318, 320, 324, 326, 362, 368, 372, 374, 386, 392, 396, 398, 410, 416, 420

Offset

0,1

Comments

Numbers n for which A276949(n) = 2. Starting offset is 0 (with a(0) = 2) to match with the starting offset of A273670).

Links

Antti Karttunen, Table of n, a(n) for n = 0..10000

Index entries for sequences related to factorial base representation

Formula

a(n) = A153880(A273670(n-1)).

Prog

(Scheme, two alternative implementations, requires Antti Karttunen's IntSeq-library) (define (A276932 n) (A153880 (A273670 n)))
(define A276932 (MATCHING-POS 0 1 (lambda (n) (= 2 (A276949 n)))))

Crossrefs

Cf. A007623, A153880, A273670.

Row 2 of A276953, column 2 of A276955, positions of 2's in A276949.

Cf. also A276931 (terms halved).

Sequence in context: A108725 A277568 A108059 * A340969 A180634 A139270

Adjacent sequences: A276929 A276930 A276931 * A276933 A276934 A276935

Keyword

nonn,base

Author

Antti Karttunen, Sep 22 2016

Status

approved