98896

Appears in sequences

• Numbers k such that triangular(k) - x and y - triangular(k) are both triangular numbers (A000217), where x is the nearest square below triangular(k), y is the nearest square above triangular(k).at n=37A234143
• Solution of the complementary equation a(n) = a(n-1) + a(n-2) - b(n-1) + 6, where a(0) = 1, a(1) = 3, b(0) = 2, b(1) = 4.at n=23A294413
• G.f. A(x) satisfies A(x) = 1 + x * A(x)^3 * (1 + A(x)^4).at n=5A379256