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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.

A382195 a(n) is the code (in the encoding given by A076184) of the square of the graph with code A076184(n).

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%I A382195 #12 Mar 21 2025 11:14:02
%S A382195 0,1,7,7,63,12,31,63,63,63,63,1023,116,255,1023,239,511,511,1023,116,
%T A382195 255,511,1023,1023,1023,1023,1023,1023,1023,1023,1023,1023,1023,1023,
%U A382195 32767,1972,4095,32767,3873,7903,3951,8191,8191,32767,3873,7903,8191,32767
%N A382195 a(n) is the code (in the encoding given by A076184) of the square of the graph with code A076184(n).
%H A382195 FindStat - The combinatorial statistics database, <a href="https://www.findstat.org/Mp00147">The square of a graph</a>.
%H A382195 Eric Weisstein's World of Mathematics, <a href="https://mathworld.wolfram.com/GraphSquare.html">Graph Square</a>.
%H A382195 Wikipedia, <a href="https://en.wikipedia.org/wiki/Graph_power">Graph power</a>.
%e A382195 As an irregular triangle, where the first row contains 1 term and row n >= 2 contains A002494(n) terms:
%e A382195   0;
%e A382195   1;
%e A382195   7, 7;
%e A382195   63, 12, 31, 63, 63, 63, 63;
%e A382195   ...
%e A382195 For n = 7, A076184(7) = 13 is the code for the path graph on 4 vertices. The square of that graph is the diamond graph, whose code is 31 = a(7).
%Y A382195 Cf. A002494, A076184, A382194.
%K A382195 nonn,tabf,base
%O A382195 1,3
%A A382195 _Pontus von Brömssen_, Mar 18 2025