0,2

Mark the tile at the origin with the label 0, mark the tiles that share an edge with it with the label 1, the next layer with label 2, and so on. a(n) is the number of tiles with label n.

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

Rémy Sigrist, PARI program for A341292

Rémy Sigrist, Illustration of initial terms

Rémy Sigrist, Colored representation of the tiles at distance < 500 (where the color is a function of the distance)

(PARI) See Links section.

Cf. A341291.

Sequence in context: A050618 A093579 A060832 * A047297 A183233 A191926

Adjacent sequences: A341289 A341290 A341291 * A341293 A341294 A341295

nonn

N. J. A. Sloane, Feb 09 2021

More terms from Rémy Sigrist, Feb 10 2021

approved