A382764 a(n) is the index in A382754 of the square of the graph with code A382754(n).
0, 1, 2, 3, 4, 5, 7, 7, 8, 9, 12, 18, 12, 13, 17, 18, 18, 18, 18, 19, 20, 24, 39, 52, 24, 25, 32, 39, 40, 49, 52, 39, 39, 47, 51, 51, 52, 52, 52, 39, 40, 49, 51, 52, 52, 52, 52, 52, 52, 52, 52, 52, 52
Offset: 0
Examples
As an irregular triangle, where row n >= 0 contains A000088(n) terms: 0; 1; 2, 3; 4, 5, 7, 7; 8, 9, 12, 18, 12, 13, 17, 18, 18, 18, 18; ...