login
The OEIS Foundation is supported by donations from users of the OEIS and by a grant from the Simons Foundation.

 

Logo


Hints
(Greetings from The On-Line Encyclopedia of Integer Sequences!)
A341292 Number of tiles which are n tiles away from the tile at the origin in the tiling discussed in A341291. 4
1, 3, 4, 6, 7, 10, 11, 13, 14, 17, 17, 19, 20, 23, 24, 26, 27, 30, 31, 33, 34, 37, 38, 40, 41, 44, 44, 46, 47, 50, 51, 53, 54, 56, 57, 59, 60, 63, 64, 66, 67, 70, 70, 72, 73, 76, 77, 79, 80, 83, 84, 86, 87, 90, 91, 93, 94, 97, 97, 99, 100, 103, 104, 106, 107 (list; graph; refs; listen; history; text; internal format)
OFFSET

0,2

COMMENTS

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.

LINKS

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)

PROG

(PARI) See Links section.

CROSSREFS

Cf. A341291.

Sequence in context: A050618 A093579 A060832 * A047297 A183233 A191926

Adjacent sequences:  A341289 A341290 A341291 * A341293 A341294 A341295

KEYWORD

nonn

AUTHOR

N. J. A. Sloane, Feb 09 2021

EXTENSIONS

More terms from Rémy Sigrist, Feb 10 2021

STATUS

approved

Lookup | Welcome | Wiki | Register | Music | Plot 2 | Demos | Index | Browse | More | WebCam
Contribute new seq. or comment | Format | Style Sheet | Transforms | Superseeker | Recent
The OEIS Community | Maintained by The OEIS Foundation Inc.

License Agreements, Terms of Use, Privacy Policy. .

Last modified May 6 11:12 EDT 2021. Contains 343581 sequences. (Running on oeis4.)