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A296347 Numbers in cells in spiral A274820 on spoke through center with slope 240 degrees. 6
0, 1, 3, 6, 12, 8, 10, 17, 14, 23, 18, 26, 31, 24, 25, 29, 30, 40, 36, 37, 38, 39, 41, 59, 46, 66, 47, 48, 52, 54, 56, 73, 61, 84, 86, 63, 68, 75, 95, 69, 72, 74, 77, 80, 82, 85, 90, 93, 116, 94, 109, 102, 100, 107, 99, 132, 103, 106, 113, 110, 114, 115, 117 (list; graph; refs; listen; history; text; internal format)
OFFSET

0,3

COMMENTS

It is conjectured that this and A296344 together are a permutation of the nonnegative numbers.

LINKS

Rémy Sigrist, Table of n, a(n) for n = 0..2500

Rémy Sigrist, PARI program for A296347

PROG

(PARI) See Links section.

CROSSREFS

Cf. A274820, A296343, A296344, A296345, A296346, A296348.

Sequence in context: A246210 A302784 A329889 * A081513 A293474 A308727

Adjacent sequences:  A296344 A296345 A296346 * A296348 A296349 A296350

KEYWORD

nonn

AUTHOR

N. J. A. Sloane, Dec 16 2017

EXTENSIONS

More terms from Rémy Sigrist, Dec 17 2017

STATUS

approved

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Last modified September 29 18:27 EDT 2020. Contains 337432 sequences. (Running on oeis4.)