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 A057974 #5 Mar 30 2012 18:34:55 %S A057974 4,8,86,148,540,1574,6344,14406,63836,24317046,1723718810,4303212632, %T A057974 59865566356,78575930302 %N A057974 Deepest position in the deck reached by card 1 before returning to the top in the shuffle in A035485 and A035499. %C A057974 The number of shuffles to return to the top is A035499. This sequence gives the deepest card 1 gets between returns to the top. %e A057974 Card 1 gets to the 4th position before returning to the top after 3 shuffles, so 4 is in the sequence. Then it gets to the 8th position before returning to the top on the 7th shuffle, so 8 is in the sequence, etc. %Y A057974 Cf. A035485, A035499. %K A057974 nonn %O A057974 0,1 %A A057974 _Jud McCranie_, Oct 22 2000