86589

Appears in sequences

• Concatenations C1 and C2 and C3 and C4 are all prime (see the comment lines).at n=21A034819
• Sequence generated from Golomb's proof of de Bruijn's theorem on a torus considered as a matrix.at n=4A095905
• E.g.f.: A(x) = Sum_{n>=0} log(1+x)^[n*phi] / [n*phi]!, where [n*phi] = A000201(n), the lower Wythoff sequence, and phi = (1+sqrt(5))/2.at n=9A180869