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 A092423 #5 Dec 06 2014 09:25:15 %S A092423 1,2,4,9,21,50,121,297,736,1837,4610,11618,29379,74500,189362,482282, %T A092423 1230460,3144137,8045057,20610526,52860253,135707819,348720196, %U A092423 896833527,2308229426,5944998971,15321681454,39511323139,101947848801,263183509040,679747862389,1756432848707,4540430713995 %N A092423 Row sums of triangle A092422, which is generated from the even-numbered Fibonacci polynomials (A011973). %o A092423 (PARI) T(n,k)=if(n<k||k<0,0,if(k==0,1,sum(j=0,min(k,n-k),binomial(k+j,k-j)*T(n-k,j)))); %o A092423 a(n)=sum(k=0,n,T(n,k)); %o A092423 vector(66,n,a(n-1)) %Y A092423 Cf. A092422. %K A092423 nonn %O A092423 0,2 %A A092423 _Paul D. Hanna_, Mar 22 2004