38849

Appears in sequences

• Expansion of (1+4*x)/(1-x-3*x^2).at n=12A105963
• a(n) = prime(2^n) - 2*n.at n=11A141088
• Fibonacci sequence beginning 13, 7.at n=18A206611
• Partial sums of A263614 starting at n=2.at n=46A263615
• Expansion of e.g.f. sec(x*sec(x)) (even powers only).at n=4A296790