This is a front-end for the Online Encyclopedia of Integer Sequences, made by Christian Perfect. The idea is to provide OEIS entries in non-ancient HTML, and then to think about how they're presented visually. The source code is on GitHub.
%I A086741 #8 Aug 10 2023 07:11:29 %S A086741 0,0,0,0,0,0,2,7,18,37,64,110,174,268,401,585,829,1155,1584,2144,2865, %T A086741 3794,4970,6462,8331,10670,13579,17194,21652,27147,33876,42098,52110, %U A086741 64283,79027,96855,118341,144199,175221,212392,256802,309797,372877,447861,536802,642163,766718,913780 %N A086741 a(n) = A026905(n) - A014284(n). %C A086741 Partial sums of partition numbers - partial sums of primes, if 1 is considered as a prime. %o A086741 (PARI) a(n) = sum(k=1, n, numbpart(k)) - (1 + vecsum(primes(n-1))); \\ _Michel Marcus_, Aug 10 2023 %Y A086741 Cf. A026905, A014284. %K A086741 nonn,less %O A086741 1,7 %A A086741 _Jon Perry_, Jul 29 2003 %E A086741 More terms from _Michel Marcus_, Aug 10 2023