A162340 - OEIS

The OEIS is supported by the many generous donors to the OEIS Foundation.

Year-end appeal: Please make a donation to the OEIS Foundation to support ongoing development and maintenance of the OEIS. We are now in our 61st year, we have over 378,000 sequences, and we’ve reached 11,000 citations (which often say “discovered thanks to the OEIS”).

Other ways to Give

A162340

Number of "ON" cells at n-th stage in simple 2-dimensional cellular automaton whose virtual skeleton is a polyedge as the graph of the "mountain path" function for prime numbers.

1, 2, 5, 6, 10, 12, 16, 18, 22, 26, 31, 34, 40, 42, 46, 50, 57, 60, 65, 69, 73, 76, 82, 86, 94, 99, 103, 105, 109, 111, 121, 129, 135, 138, 145, 150, 155, 160, 166, 170, 177, 180, 187, 192, 196, 198, 206, 217, 226, 228, 232, 236, 241, 246, 255, 260, 267, 270, 275, 279

(list; graph; refs; listen; history; text; internal format)

OFFSET

0,2

COMMENTS

a(n) is also the number of grid points that are covered after n-th stage by the same polyedge mentioned in the definition of this sequence.

Also, partial sums of A162341.

LINKS

Table of n, a(n) for n=0..59.

Omar E. Pol, Graph of the mountain path function for prime numbers

Omar E. Pol, Illustration: The mountain path of the primes

CROSSREFS

Cf. A000040, A006005, A008578, A162200, A162201, A162202, A162203, A162341.

Sequence in context: A007969 A187902 A187231 * A212016 A212015 A255341

Adjacent sequences: A162337 A162338 A162339 * A162341 A162342 A162343

KEYWORD

nonn

AUTHOR

Omar E. Pol, Jul 01 2009

EXTENSIONS

Edited by Omar E. Pol, Jul 05 2009

More terms from Nathaniel Johnston, Nov 06 2010

STATUS

approved

Note: This service is not intended for secure transactions such as banking, social media, email, or purchasing. Use at your own risk. We assume no liability whatsoever for broken pages.

Pfad - The Proxy pFad of © 2024 Garber Painting. All rights reserved.