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 A364219 #6 Jul 15 2023 05:53:37 %S A364219 1,42,43,2731,11605,13024,14229,25983,39390,45727,46624,47529,60073, %T A364219 96039,111390,131103,132010,133984,134430,140767,148180,148181,148509, %U A364219 174762,174763,187744,197790,237609,247114,266453,275229,287988,312190,330847,354429,370269 %N A364219 Starts of runs of 4 consecutive integers that are Jacobsthal-Niven numbers (A364216). %H A364219 Amiram Eldar, <a href="/A364219/b364219.txt">Table of n, a(n) for n = 1..10000</a> %t A364219 consecJacobsthalNiven[4*10^5, 4] (* using the function from A364217 *) %o A364219 (PARI) lista(4*10^5, 4) \\ using the function from A364217 %Y A364219 Subsequence of A364216, A364217 and A364218. %Y A364219 Subsequences: A364220, A364221. %Y A364219 Similar sequences: A141769, A328211, A328207, A328215, A330933, A331824, A334311, A342429, A344344, A352092, A352110, A352345, A352511. %K A364219 nonn,base %O A364219 1,2 %A A364219 _Amiram Eldar_, Jul 14 2023