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 A376690 #17 Oct 13 2024 11:21:55 %S A376690 1,2,2,2,4,4,2,6,6,2,4,12,6,6,4,8,18,6,12,12,8,16,6,12,18,12,18,6,24, %T A376690 16,14,18,12,24,36,24,36,12,18,30,6,26,28,36,24,30,18,72,30,18,42,30, %U A376690 24,36,60,12,52,26,30,72,48,60,36,54,90,18,12,30,36,84,60 %N A376690 First differences of A055932. %C A376690 First difference of numbers k with a primorial kernel, i.e., rad(k) = P(i), where rad = A007947 and primorial P = A002110. %H A376690 Michael De Vlieger, <a href="/A376690/b376690.txt">Table of n, a(n) for n = 1..10000</a> %H A376690 Michael De Vlieger, <a href="/A376690/a376690.png">Log log scatterplot of a(n)</a>, n = 1..74468. %H A376690 Michael De Vlieger, <a href="/A376690/a376690.txt">Efficient Mathematica constructor program for A055932</a> %t A376690 (* Load function f in the linked constructor a-file *) %t A376690 Differences@ Union@ Flatten@ f[8] %Y A376690 Cf. A002110, A007947, A055932, A178799. %K A376690 nonn,easy %O A376690 1,2 %A A376690 _Michael De Vlieger_, Oct 13 2024