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 A265906 #10 Aug 16 2016 09:45:18 %S A265906 2,8,38,242,1688,13238,121442,1212968,13211798,160076282,2080120448, %T A265906 28952201678,436718865962,6985509376688,118290516617198, %U A265906 2137197890239202,40600129761103688,809755594446845558,17050115848925513762,375062123907891088808,8608573107134508912038,207014026157802769184402,5174962975935097945559048 %N A265906 a(n) = A153880(A265905(n)); also the first differences of A265905. %C A265906 In factorial base (A007623) these numbers are just like those in A265905, but shifted once left, with an extra zero appended: %C A265906 10, 110, 1210, 20010, 220110, 2421210, 30040010, 330440110, 3635241210, 40111110010, 441222210110, 4853444311210, 50188010430010, <the first term with digit-value "10">, ... %H A265906 Antti Karttunen, <a href="/A265906/b265906.txt">Table of n, a(n) for n = 1..120</a> %H A265906 <a href="/index/Fa#facbase">Index entries for sequences related to factorial base representation</a> %F A265906 a(n) = A153880(A265905(n)). %F A265906 a(n) = A265905(n+1) - A265905(n). %o A265906 (Scheme, two variants) %o A265906 (define (A265906 n) (A153880 (A265905 n))) %o A265906 (define (A265906 n) (- (A265905 (+ 1 n)) (A265905 n))) %Y A265906 Row 2 of A275950. %Y A265906 First differences of A265905. %Y A265906 Cf. A007623, A153880. %K A265906 nonn,base %O A265906 1,1 %A A265906 _Antti Karttunen_, Dec 20 2015