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A286294 Leading column of right triangle in A274650. 6
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 (list; graph; refs; listen; history; text; internal format)
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

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Last modified April 1 14:05 EDT 2020. Contains 333159 sequences. (Running on oeis4.)