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A068323 a(n)=number of arithmetic progressions of primes, nondecreasing with sum n. 4

%I #5 Feb 10 2024 00:07:53

%S 0,1,1,1,2,2,2,2,2,3,1,3,2,3,4,3,1,4,2,4,4,4,1,5,2,4,1,4,1,6,2,3,5,5,

%T 2,6,1,3,5,5,1,7,2,5,3,5,1,7,2,6,5,5,1,7,3,6,3,5,1,9,2,4,3,6,2,9,1,4,

%U 6,8,1,8,2,6,3,7,2,10,1,7,2,6,1,11,4,6

%N a(n)=number of arithmetic progressions of primes, nondecreasing with sum n.

%K easy,nonn

%O 1,5

%A _Naohiro Nomoto_, Feb 27 2002

%E More terms from _Sean A. Irvine_, Feb 09 2024

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Last modified April 24 22:17 EDT 2024. Contains 371964 sequences. (Running on oeis4.)