A243501 Permutation of even numbers: a(n) = 2*A048673(n).

2, 4, 6, 10, 8, 16, 12, 28, 26, 22, 14, 46, 18, 34, 36, 82, 20, 76, 24, 64, 56, 40, 30, 136, 50, 52, 126, 100, 32, 106, 38, 244, 66, 58, 78, 226, 42, 70, 86, 190, 44, 166, 48, 118, 176, 88, 54, 406, 122, 148, 96, 154, 60, 376, 92, 298, 116, 94, 62, 316, 68, 112, 276, 730, 120

Offset

1,1

Links

Antti Karttunen, Table of n, a(n) for n = 1..10001

Formula

a(n) = 2*A048673(n).

a(n) = A003961(n) + 1.

a(n) = A243502(A245447(n)).

Prog

(Scheme, two different versions)
(define (A243501 n) (+ 1 (A003961 n)))
(define (A243501v2 n) (* 2 (A048673 n)))

Crossrefs

Cf. A243502, A245447, A245448, A244319, A245605-A245606, A245607-A245608.

Sequence in context: A243502 A275632 A269360 * A076246 A100426 A373401

Adjacent sequences: A243498 A243499 A243500 * A243502 A243503 A243504

Keyword

nonn

Author

Antti Karttunen, Jul 21 2014

Status

approved