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 A286847 #17 Feb 16 2025 08:33:45 %S A286847 1,2,2,2,6,2,4,7,7,4,4,18,16,18,4,7,39,53,53,39,7,9,75,154,306,154,75, %T A286847 9,13,155,436,1167,1167,436,155,13,18,310,1268,4939,6958,4939,1268, %U A286847 310,18,25,638,3660,21313,40931,40931,21313,3660,638,25 %N A286847 Array read by antidiagonals: T(m,n) = number of minimal dominating sets in the grid graph P_m X P_n. %H A286847 Andrew Howroyd, <a href="/A286847/b286847.txt">Table of n, a(n) for n = 1..153</a> %H A286847 Eric Weisstein's World of Mathematics, <a href="https://mathworld.wolfram.com/GridGraph.html">Grid Graph</a> %H A286847 Eric Weisstein's World of Mathematics, <a href="https://mathworld.wolfram.com/MinimalDominatingSet.html">Minimal Dominating Set</a> %e A286847 Table begins: %e A286847 =============================================================== %e A286847 m\n| 1 2 3 4 5 6 7 8 %e A286847 ---|----------------------------------------------------------- %e A286847 1 | 1 2 2 4 4 7 9 13... %e A286847 2 | 2 6 7 18 39 75 155 310... %e A286847 3 | 2 7 16 53 154 436 1268 3660... %e A286847 4 | 4 18 53 306 1167 4939 21313 88161... %e A286847 5 | 4 39 154 1167 6958 40931 254754 1519544... %e A286847 6 | 7 75 436 4939 40931 349178 3118754 26797630... %e A286847 7 | 9 155 1268 21313 254754 3118754 40307167 497709474... %e A286847 8 | 13 310 3660 88161 1519544 26797630 497709474 8863408138... %e A286847 ... %Y A286847 Rows 1-3 are A253412, A290379, A286848. %Y A286847 Main diagonal is A290382. %Y A286847 Cf. A218354 (dominating sets), A089934 (independent), A286868 (irredundant). %Y A286847 Cf. A286849 (king graph). %K A286847 nonn,tabl %O A286847 1,2 %A A286847 _Andrew Howroyd_, Aug 01 2017