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 A216132 #7 Sep 07 2012 01:44:44 %S A216132 11,121,1331,4641,1051,1561,7171,8881,7691,4601,611,6721,3931,3241, %T A216132 5651,2161,3771,1481,6291,9201,1211,3321,6531,1841,251,2761,371,4081, %U A216132 4891,3801,1811,9921,9131,441,4851,3361,6971,6681,3491,8401,2411,6521,1731,9041,9451,3961,3571,9281,2091,3001,3011,3121,4331,7641 %N A216132 11^n mod 10000. %C A216132 Period = 500. %H A216132 V. Raman, <a href="/A216132/b216132.txt">Table of n, a(n) for n = 1..500</a> %o A216132 (PARI) for(i=1, 500, print(11^i%10000" ")) %Y A216132 Cf. A216100. %K A216132 nonn,easy %O A216132 1,1 %A A216132 _V. Raman_, Sep 01 2012