76308

Appears in sequences

• Number of pairs (x, y) with 0 <= x, y <= n such that the distance between two points is a positive integer.at n=35A228108
• a(0) = 0, and for n > 0, (a(n)) gives the indices n for which d(n) > d(k) for k < n, where d is the difference sequence of (cos k + sin k).at n=37A299639
• Number of series-reduced planted achiral trees whose leaves span an initial interval of positive integers appearing with multiplicities an integer partition of n.at n=43A317099
• G.f. = Phi^2*F^4, where Phi = g.f. for A028930, F = g.f. for A028959.at n=18A328535