A086741 - OEIS

%I #8 Aug 10 2023 07:11:29

%S 0,0,0,0,0,0,2,7,18,37,64,110,174,268,401,585,829,1155,1584,2144,2865,

%T 3794,4970,6462,8331,10670,13579,17194,21652,27147,33876,42098,52110,

%U 64283,79027,96855,118341,144199,175221,212392,256802,309797,372877,447861,536802,642163,766718,913780

%N a(n) = A026905(n) - A014284(n).

%C Partial sums of partition numbers - partial sums of primes, if 1 is considered as a prime.

%o (PARI) a(n) = sum(k=1, n, numbpart(k)) - (1 + vecsum(primes(n-1))); \\ _Michel Marcus_, Aug 10 2023

%Y Cf. A026905, A014284.

%K nonn,less

%O 1,7

%A _Jon Perry_, Jul 29 2003

%E More terms from _Michel Marcus_, Aug 10 2023