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 A050610 #9 Oct 27 2018 21:57:15 %S A050610 0,1,1,1,3,3,2,4,6,12,3,7,9,21,21,5,11,15,33,35,77,8,18,24,54,56,126, %T A050610 168,13,29,39,87,91,203,273,609,21,47,63,141,147,329,441,987,987,34, %U A050610 76,102,228,238,532,714,1596,1598,3572,55,123,165,369,385,861,1155,2583 %N A050610 Sum_{i=0..y} (C(y,i) mod 2)*F(2i+x) = FL(y+x)*A050613(y), where A050613(y) = Product_{i=0..floor(log_2(y+1))} L(2^i)^bit(y,i). %C A050610 Rows cut from column 2 onward form a subset of Wythoff array (A035513), where the terms of column 0 (A051656) give the positions of those rows in that array. %p A050610 a(n) = generic_bincoeff_fibsum_as_sum( (n-((trinv(n)*(trinv(n)-1))/2)),(((trinv(n)-1)*(((1/2)*trinv(n))+1))-n) ); %Y A050610 Transpose of A050609. First row: A000045, second row: A000032, third row: A022086. %K A050610 nonn,tabl %O A050610 0,5 %A A050610 _Antti Karttunen_, Oct 24 1999