

A162350


The path of the primes: Pairs (x,y) such that the points P(x,y) represent the position of the nonnegative integers in the graph of the "mountain path" function for prime numbers.


4



0, 0, 1, 0, 2, 0, 2, 1, 2, 2, 3, 2, 4, 2, 4, 3, 4, 4, 4, 5, 5, 5, 5, 4, 6, 4, 6, 5, 6, 6, 6, 7, 7, 7, 7, 6, 8, 6, 8, 7, 8, 8, 8, 9, 9, 9, 9, 8, 9, 7, 9, 6, 10, 6, 10, 7, 10, 8, 10, 9, 10, 10, 11, 10, 11, 9, 11, 8, 12, 8, 12, 9, 12, 10
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OFFSET

0,5


LINKS

Table of n, a(n) for n=0..73.
Omar E. Pol, Graph of the mountain path function for prime numbers
Omar E. Pol, Illustration: The path of the primes


EXAMPLE

n ..... Point
0 ..... P(0,0)
1 ..... P(1,0)
2 ..... P(2,0)
3 ..... P(2,1)
4 ..... P(2,2)
5 ..... P(3,2)
6 ..... P(4,2)
7 ..... P(4,3)
8 ..... P(4,4)
9 ..... P(4,5)
10 .... P(5,5)
11 .... P(5,4)


CROSSREFS

Cf. A000040, A006005, A008578, A162200, A162201, A162202, A162203, A162340, A162341, A162342, A162343, A162344, A162351, A162352.
Sequence in context: A330709 A045450 A029222 * A334305 A125922 A283306
Adjacent sequences: A162347 A162348 A162349 * A162351 A162352 A162353


KEYWORD

easy,nonn


AUTHOR

Omar E. Pol, Jul 03 2009


STATUS

approved



