A286294 Leading column of right triangle in A274650.

0, 1, 3, 2, 5, 4, 6, 8, 7, 11, 9, 10, 12, 13, 15, 14, 16, 18, 17, 19, 20, 22, 21, 23, 25, 24, 27, 26, 28, 29, 31, 30, 32, 33, 35, 34, 36, 38, 37, 40, 39, 41, 44, 42, 43, 45, 46, 47, 49, 48, 50, 51, 53, 52, 54, 55, 57, 56, 58, 60, 59, 62, 61, 64, 65, 63, 66, 68, 67, 70, 71, 69, 72, 73, 75, 74, 76, 77, 78

Offset

0,3

Comments

Theorem: This is a permutation of the positive integers. For proof, see link in A274650. - N. J. A. Sloane, Jun 07 2017

Links

Alois P. Heinz, Table of n, a(n) for n = 0..1000

Formula

a(n) = A274650(n,0) = A274651(n+1,1) - 1. - Hartmut F. W. Hoft, Jun 13 2017

Mathematica

(* function a274651[] is defined in A274651 for n>=1 *)
a286294[n_] := Map[First, a274651[n+1]-1]
a286294[78] (* data *) (* Hartmut F. W. Hoft, Jun 13 2017 *)

Crossrefs

Cf. A274650, A274651, A286295, A288384, A288424.

Sequence in context: A191672 A273876 A273865 * A117303 A194904 A194876

Adjacent sequences: A286291 A286292 A286293 * A286295 A286296 A286297

Keyword

nonn

Author

N. J. A. Sloane, May 30 2017

Status

approved