47052

Appears in sequences

• E.g.f.: sech(log(x+1)-sinh(x))=1-3/4!*x^4+10/5!*x^5-100/6!*x^6+693/7!*x^7...at n=9A013269
• Expansion of reciprocal polynomial of (-1-x^5+x^6)^4 * (-1-2*x^5+x^6)*(-9-34*x^5+x^6).at n=3A135644
• G.f. satisfies: A(x) = 1 + x*A(x) * A( x^2*A(x)^2 ).at n=13A182488
• Numbers k such that Bernoulli number B_{k} has denominator 1919190.at n=32A295595