60635

Appears in sequences

• a(n) = the smallest multiple of the n-th prime such that (a(n)-1) is divisible by both the (n-1)th prime and the (n+1)st prime.at n=17A143244
• The Matula-Goebel numbers of the rooted trees that have palindromic Wiener polynomials.at n=29A198322
• G.f. A(x) satisfies: A(x)^2 = A( x^2/(1 - 4*x - 2*x^2) ).at n=8A274483