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%I #5 Mar 11 2014 01:34:15
%S 1,1,3,1,4,2,4,2,4,4,5,3,6,2,4,4,7,3,5,4,4,3,6,4,8,5,4,2,4,2,10,8,6,3,
%T 7,5,5,5,6,4,7,3,7,5,4,2,8,11,9,2,4,4,5,5,9,5,7,3,5,4,4,5,13,8,4,2,10,
%U 9,9,5,4,4,8,6,7,4,6,6,7,5,10,5,7,5,5,4,6,6,7,2,4,7,11,5,7,5,6,8,8,9,13,7,9
%N a(n) = number of grid points P(x,y) that are covered by a polyedge as the graph of the "mountain path" function for prime numbers, where x=n and y=0..oo.
%C Se also A162340.
%H Omar E. Pol, <a href="http://www.polprimos.com/imagenespub/polmpfpn.jpg">Graph of the mountain path function for prime numbers</a>
%F a(n) = A052288(n-2) + (-1)^n for n>=3. [From _Nathaniel Johnston_, Nov 06 2010]
%Y Cf. A000040, A006005, A008578, A162200, A162201, A162202, A162203, A162340.
%K nonn
%O 0,3
%A _Omar E. Pol_, Jul 01 2009
%E Edited by _Omar E. Pol_, Jul 05 2009
%E More terms from _Nathaniel Johnston_, Nov 06 2010
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