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 A108984 #16 Aug 03 2025 04:39:11 %S A108984 1,8,55,386,2701,18908,132355,926486,6485401,45397808,317784655, %T A108984 2224492586,15571448101,109000136708,763000956955,5341006698686, %U A108984 37387046890801,261709328235608,1831965297649255,12823757083544786 %N A108984 Inverse binomial transform of A003951. %F A108984 a(n) = 6*a(n-1) + 7*a(n-2), a(0) = 1, a(1) = 8. %F A108984 a(2*n) = 7*a(2*n-1) - 1; a(2*n+1) = 7*a(2*n) + 1. %F A108984 O.g.f.: -(1+2*x)/((1+x)*(7*x-1)). - _R. J. Mathar_, Apr 02 2008 %K A108984 nonn %O A108984 0,2 %A A108984 _Philippe Deléham_, Jul 23 2005 %E A108984 More terms from _R. J. Mathar_, Apr 02 2008