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 A214300 #7 May 13 2013 01:54:22 %S A214300 0,2,9,8,40,66,49,32,99,280,33,108,156,322,285,144,272,198,133,560, %T A214300 105,264,529,216,1200,1040,945,532,116,1770,372,608,495,544,1365,324, %U A214300 1332,228,1053,1120,779,798,1849,484,2655,1058,705,432,2695,7400,1785,1976,2756 %N A214300 Sum of the terms of the Pisano period mod n. %C A214300 Row sums of A161553. %H A214300 Charles R Greathouse IV, <a href="/A214300/b214300.txt">Table of n, a(n) for n = 1..10000</a> %F A214300 a(n) = n * A088551(n). %o A214300 (PARI) a(n)=if(n==1,return(0));my(a=0,b=1,s=1,t);while(b||a!=1,s+=a;t=a;a=b;b+=t;if(b>=n,b-=n));s %Y A214300 Cf. A161553, A088551, A000045, A001175. %K A214300 nonn,easy %O A214300 1,2 %A A214300 _J. M. Bergot_ and _Charles R Greathouse IV_, Jul 11 2012