A280770 Even terms in A280864, divided by 2, in order of appearance.

1, 2, 3, 4, 5, 6, 7, 8, 11, 9, 10, 12, 14, 13, 17, 15, 19, 16, 23, 18, 21, 24, 29, 20, 26, 22, 31, 25, 39, 27, 37, 28, 34, 30, 41, 32, 43, 33, 47, 35, 38, 36, 46, 40, 51, 42, 52, 44, 53, 45, 59, 48, 61, 49, 68, 50, 57, 54, 67, 55, 58, 56, 76, 60, 66, 63, 71, 62, 74, 64, 73, 65, 79, 69, 83, 70, 89, 72, 97

Offset: 1

Author

N. J. A. Sloane, Jan 17 2017

Keywords

• nonn

Comments

It is known (see A280864) that this is a permutation of the natural numbers.

Links

• N. J. A. Sloane, Table of n, a(n) for n = 1..10486

Crossrefs

Cf. A280864, A280771.