A246680 Permutation of natural numbers, even bisection of A246676 halved: a(n) = A246676(2*n)/2.

1, 2, 4, 3, 7, 12, 13, 5, 10, 17, 22, 24, 16, 62, 40, 6, 37, 27, 31, 38, 19, 87, 67, 60, 25, 32, 49, 171, 52, 312, 121, 8, 28, 122, 112, 45, 34, 137, 94, 71, 82, 42, 58, 269, 43, 437, 202, 84, 73, 47, 76, 59, 187, 162, 148, 665, 46, 192, 157, 1200, 55, 1562, 364, 9, 97, 57, 85, 423, 115, 612, 337, 93, 61, 72

Offset: 1

Author

Antti Karttunen, Sep 02 2014

Keywords

• nonn

Comments

Equally: even bisection of A246678 halved.

Links

• Antti Karttunen, Table of n, a(n) for n = 1..8192
• Index entries for sequences that are permutations of the natural numbers

Crossrefs

Inverse: A246679.

Cf. A246676, A246678.

Programs

Scheme

(define (A246680 n) (/ (A246676 (* 2 n)) 2))

Formula

a(n) = A246676(2*n)/2.

a(n) = A246678(2*n)/2.