55990
domain: N
Appears in sequences
- G.f. satisfies: A(x) = A(x^2 + x^3)/(1-x).at n=23A251572
- Positive integers whose square is the sum of 88 consecutive squares.at n=3A257826
- Consider the figure made up of a row of n adjacent congruent rectangles, with diagonals of all possible rectangles drawn; a(n) = number of interior vertices where exactly three lines cross.at n=43A336489