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 A342056 #15 Jun 03 2023 09:29:40 %S A342056 1,2,7,27,132,773,5017,34861,253676,1903584,14616442,114254053, %T A342056 906266345,7277665889,59066524810,483864411124,3996427278475, %U A342056 33250623548406,278472800696431,2346089674759665,19872284655990058,169155659546689252,1446375853153588731,12418636483734071261,107034910337046043232 %N A342056 Number of unrooted 3-connected triangulations of a disk with n nodes. %H A342056 Andrew Howroyd, <a href="/A342056/b342056.txt">Table of n, a(n) for n = 4..100</a> %H A342056 G. Brinkmann and B. D. McKay, <a href="https://users.cecs.anu.edu.au/~bdm/papers/plantri-full.pdf">Fast generation of planar graphs (expanded edition)</a>, Table 27, Column d_1. %H A342056 The House of Graphs, <a href="https://houseofgraphs.org/meta-directory/planar">Planar graphs</a> %o A342056 (PARI) A342053AntidiagonalSums(25) \\ See links in A342053 for program. %Y A342056 Antidiagonal sums of A342053. %Y A342056 Cf. A342052. %K A342056 nonn %O A342056 4,2 %A A342056 _Andrew Howroyd_, Feb 26 2021