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

0, 1, 7, 7, 63, 12, 31, 63, 63, 63, 63, 1023, 116, 255, 1023, 239, 511, 511, 1023, 116, 255, 511, 1023, 1023, 1023, 1023, 1023, 1023, 1023, 1023, 1023, 1023, 1023, 1023, 32767, 1972, 4095, 32767, 3873, 7903, 3951, 8191, 8191, 32767, 3873, 7903, 8191, 32767

Offset: 1

Author

Pontus von Brömssen, Mar 18 2025

Keywords

• nonn
• tabf
• base

Examples

			As an irregular triangle, where the first row contains 1 term and row n >= 2 contains A002494(n) terms:
  0;
  1;
  7, 7;
  63, 12, 31, 63, 63, 63, 63;
  ...
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).
		

Links

• FindStat - The combinatorial statistics database, The square of a graph.
• Eric Weisstein's World of Mathematics, Graph Square.
• Wikipedia, Graph power.

Crossrefs

Cf. A002494, A076184, A382194.