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 A010356 #10 Nov 26 2020 01:22:34 %S A010356 1,1,1,1,1,2,1,1,3,3,1,4,9,2,1,6,20,14,1,1,7,40,50,12,1 %N A010356 Triangle of single-edge stars with n edges by cyclotomic index. %C A010356 The rows appear to be the same as in A339070 but reflected and with all 0's removed. - _Andrew Howroyd_, Nov 25 2020 %H A010356 George A. Baker Jr. and John M. Kincaid, <a href="https://doi.org/10.1007/BF01012818">The continuous-spin Ising model, g0:phi4:d field theory and the renormalization group</a>. J. Statist. Phys. 24 (1981), no. 3, 469-528. %e A010356 Triangle begins: %e A010356 3 | 1; %e A010356 4 | 1; %e A010356 5 | 1, 1; %e A010356 6 | 1, 2, 1; %e A010356 7 | 1, 3, 3; %e A010356 8 | 1, 4, 9, 2; %e A010356 9 | 1, 6, 20, 14, 1; %e A010356 10 | 1, 7, 40, 50, 12, 1; %e A010356 ... %Y A010356 Row sums give A010355. %Y A010356 Cf. A010358, A339070. %K A010356 nonn,tabf %O A010356 3,6 %A A010356 _N. J. A. Sloane_ %E A010356 Offset corrected by _Andrew Howroyd_, Nov 25 2020