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

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