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 A374732 #22 Aug 19 2024 19:40:20 %S A374732 1,2,4,8,16,77,154,569,1264,5390,14443,45887,133345,646679,1443145, %T A374732 6587459,12553333,43808666,110246752,321271427,594484141,736078625, %U A374732 1598652232,3920250884,4804642909,9095590955,15005150050,65055300101,95065465156,149717034662 %N A374732 a(n) = a(n-1) + rotate(a(n-1), n-1 digits right) with a(1) = 1. %e A374732 a(12) = a(11) + rotate(a(11), 11) = 14443 + rotate(14443, 11) = 14443 + 31444 = 45887. %t A374732 a[1] = 1; a[n_] := a[n] = a[n - 1] + FromDigits@RotateRight[IntegerDigits[a[n - 1]], n - 1]; arr = a[#] & /@ Range[1, 100] %Y A374732 Cf. A001127, A051300, A051299, A374731, A374733, A374734. %K A374732 nonn,base,easy %O A374732 1,2 %A A374732 _Nicholas M. R. Frieler_, Jul 17 2024