A275915 First differences of A273059.

9, 4, 4, 4, 61, 10, 10, 10, 116, 16, 16, 16, 169, 22, 22, 22, 119, 26, 26, 26, 259, 32, 32, 32, 314, 38, 38, 38, 367, 44, 44, 44, 421, 50, 50, 50, 476, 56, 56, 56, 529, 62, 62, 62, 319, 66, 66, 66, 619, 72, 72, 72, 674, 78, 78, 78, 727, 84, 84, 84, 782, 90, 90, 90, 835, 96, 96, 96, 489, 100

Offset

0,1

Links

Alois P. Heinz, Table of n, a(n) for n = 0..30287 (first 1408 terms from N. J. A. Sloane)

Alois P. Heinz, Positions of first 1409 1's in plane of A274640

Zak Seidov, Graph of first differences of A273059.

Zak Seidov, Spiral A274640 with ones shown.

Crossrefs

Cf. A273059, A274640.

Sequence in context: A262313 A097878 A173571 * A340578 A378486 A374225

Adjacent sequences: A275912 A275913 A275914 * A275916 A275917 A275918

Keyword

nonn

Author

N. J. A. Sloane, Aug 28 2016

Status

approved