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 A047767 #12 Mar 07 2020 01:22:08 %S A047767 0,1,2,2,7,12,29,55,143,271,728,1428,3873,7752,21318,43256,120175, %T A047767 246675,690678,1430715,4032015,8414610,23841480,50067108,142498637, %U A047767 300830572,859515920,1822766377,5225264024,11124755664,31983672261 %N A047767 a(n) = A047765(2n). %C A047767 Also A047753(4n+1). %H A047767 L. W. Beineke and R. E. Pippert, <a href="http://dx.doi.org/10.4153/CJM-1974-006-x">Enumerating dissectable polyhedra by their automorphism groups</a>, Canad. J. Math., 26 (1974), 50-67. %H A047767 S. J. Cyvin, Jianji Wang, J. Brunvoll, Shiming Cao, Ying Li, B. N. Cyvin, and Yugang Wang, <a href="https://doi.org/10.1016/S0022-2860(97)00025-2">Staggered conformers of alkanes: complete solution of the enumeration problem</a>, J. Molec. Struct. 413-414 (1997), 227-239. %K A047767 nonn %O A047767 1,3 %A A047767 _N. J. A. Sloane_