67116

Appears in sequences

• G.f. satisfies: A(x) = exp( Sum_{n>=1} x^n*A(x^n)/n / Product_{k>=1} (1 - x^(n*k)*A(x^n)^k) ).at n=9A219263
• Number of length 2+3 0..n arrays with some pair in every consecutive four terms totalling exactly n.at n=10A245952
• Nonnegative values x of solutions (x, y) to the Diophantine equation x^2 + (x + 47^2)^2 = y^2.at n=11A332000