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 A306748 #6 Mar 13 2019 23:49:53 %S A306748 2,5,7,998,15402,21878,382032 %N A306748 Unitary untouchable numbers with a record gap to the next unitary untouchable number. %C A306748 The record gap values are 1, 2, 367, 544, 556, 780, 782. %e A306748 5 is in the sequence since it is a unitary untouchable number and the next unitary untouchable number after it is 7 = 5 + 2 with a record gap of 2. The next gap which is larger than 2 occurs at 7 which is followed by 374 = 7 + 367. %Y A306748 Cf. A063948, A306747. %K A306748 nonn,hard,more %O A306748 1,1 %A A306748 _Amiram Eldar_, Mar 07 2019