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 A294163 #8 Nov 12 2017 06:11:58 %S A294163 16,1512,61027,1977879,59896915,1798212190,55017177704,1739482570960, %T A294163 57241033706778,1967360177317667,70726834072581710, %U A294163 2660291453079577988,104649959742336160214,4301893149042476310366,184602995065735203985103,8259869062587590267542009 %N A294163 Column 3 of triangle A291844. %H A294163 Gheorghe Coserea, <a href="/A294163/b294163.txt">Table of n, a(n) for n = 5..307</a> %o A294163 (PARI) \\ see PARI code from A294160, A294161 %Y A294163 Cf. A291844. %K A294163 nonn %O A294163 5,1 %A A294163 _Gheorghe Coserea_, Nov 04 2017