208471

Appears in sequences

• Expansion of e.g.f. exp(exp(2*x)*(BesselI(0,2*x) + BesselI(1,2*x)) - 1).at n=6A323668
• Numbers k such that k^4 = a^4 + b^4 + c^4 + d^4 has at least two positive primitive solutions.at n=5A331675