685525

Appears in sequences

• a(n) = a(n-1) + a(n-2) + a([n/3]), where a(0) = 1, a(1) = 1, a(2) = 1.at n=28A298340
• E.g.f. satisfies A(x) = exp(x * exp(2 * A(x))) - 1.at n=6A357394