A275877 Numbers on the East-West axis of A274640 in order of appearance.

1, 2, 3, 4, 5, 8, 6, 11, 7, 12, 15, 16, 10, 9, 17, 19, 13, 24, 25, 22, 14, 18, 31, 27, 20, 26, 33, 21, 34, 37, 38, 43, 35, 39, 36, 40, 23, 49, 41, 28, 52, 29, 47, 32, 53, 46, 44, 55, 30, 60, 54, 45, 61, 48, 50, 66, 51, 73, 57, 70, 71, 76, 78, 83, 81, 77, 72, 65

Offset

1,2

Comments

Conjectured to be a permutation of the natural numbers.

Links

Alois P. Heinz, Table of n, a(n) for n = 1..2000

Crossrefs

Cf. A274640.

Alternate terms of A274924 and A274928 (starting with a single 1).

Sequence in context: A192179 A118462 A219360 * A245819 A207802 A222250

Adjacent sequences: A275874 A275875 A275876 * A275878 A275879 A275880

Keyword

nonn

Author

N. J. A. Sloane, Aug 16 2016

Status

approved