A280771 Positions of even terms in A280864.

2, 3, 5, 6, 8, 9, 12, 13, 15, 16, 18, 19, 21, 22, 25, 26, 29, 30, 32, 33, 37, 38, 40, 41, 45, 46, 50, 51, 53, 54, 56, 57, 60, 61, 64, 65, 67, 68, 71, 72, 75, 76, 78, 79, 81, 82, 84, 85, 88, 89, 92, 93, 96, 97, 99, 100, 102, 103, 105, 106, 109, 110, 112, 113, 116, 117, 122, 123, 126, 127, 129, 130, 133

Offset: 1

Author

N. J. A. Sloane, Jan 17 2017

Keywords

• nonn

Comments

By definition of A280864, this is a sequence of pairs of consecutive numbers, separated by gaps of size at least 1.

Links

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

Crossrefs

Cf. A280864, A280770.