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 A178194 #2 Mar 31 2012 10:22:16 %S A178194 1,2,31,5,29,7,21,13,13684967,10,23,14,15,538,19,42,17,35,25,49,16861, %T A178194 60,55,26,1157,38,511,54,30197665,106,14691,46,155,37,18791,62,369, %U A178194 164,145,93,63517,92,115,1046,3113077,58,1376107,1042,105,50,221 %N A178194 Smallest k such that 33^k mod k = n. %C A178194 smallest k such that m^k mod k = n %C A178194 m=2 see A036236 %C A178194 m=3 see A078457 %C A178194 m=4 see A119678 %C A178194 m=5 see A119679 %C A178194 m=6 see A127816 %C A178194 m=7 see A119715 %C A178194 m=8 see A119714 %C A178194 m=9 see A127817 %C A178194 m=10 see A127818 %C A178194 m=11 see A127819 %C A178194 m=12 see A127820 %C A178194 m=13 see A127821 %C A178194 m=14 see A128154 %C A178194 m=15 see A128155 %C A178194 m=16 see A128156 %C A178194 m=17 see A128157 %C A178194 m=18 see A128158 %C A178194 m=19 see A128159 %C A178194 m=20 see A128160 %C A178194 m=21 see A128361 %C A178194 m=22 see A128362 %C A178194 m=23 see A128363 %C A178194 m=24 see A128364 %C A178194 m=25 see A128365 %C A178194 m=26 see A128366 %C A178194 m=27 see A128367 %C A178194 m=28 see A128368 %C A178194 m=29 see A128369 %C A178194 m=30 see A128370 %C A178194 m=31 see A128371 %C A178194 m=32 see A128372 %C A178194 m=33 see A178194 %C A178194 m=34 see A178195 %C A178194 m=35 see A178196 %C A178194 m=36 see A178197 %C A178194 m=37 see A178198 %C A178194 m=38 see A178199 %C A178194 m=39 see A178200 %C A178194 m=40 see A178201 %C A178194 m=41 see A178202 %t A178194 aa = {}; Do[k = 1; While[PowerMod[33, k, k] != n, k++ ]; Print[k]; AppendTo[aa, k], {n, 0, 50}]; aa %Y A178194 see comment line. %K A178194 nonn %O A178194 0,2 %A A178194 _Artur Jasinski_, May 22 2010