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 A110900 #9 Jun 30 2024 02:47:20 %S A110900 65,4803,584914,59273184,6098138012,616905504491,62144914085485, %T A110900 6267868143394323,630501829011138256,63335169132014778363 %N A110900 Sum of the lesser of twin primes <= prime(10^n). %C A110900 prime(n) = n-th prime number. %C A110900 After the 3rd term, the next term is roughly 100 times the previous term. %e A110900 3, 5, 11, 17, and 29 are lesser members of twin primes <= prime(10^1) = 29. These add up to 65, the first term of this sequence. %o A110900 (PARI) lista(pmax) = {my(s = 0, pow = 10, prev = 2, k = 1); forprime(p = 3, pmax, k++; if(p == prev + 2, s += prev); if(k > pow, print1(s, ", "); pow *= 10); prev = p);} \\ _Amiram Eldar_, Jun 30 2024 %Y A110900 Cf. A001359, A006988, A007508. %K A110900 nonn,more %O A110900 1,1 %A A110900 _Cino Hilliard_, Sep 20 2005 %E A110900 a(9)-a(10) from _Amiram Eldar_, Jun 30 2024