60986

Appears in sequences

• Dirichlet convolution of b_n=2^(n-1) with Catalan numbers.at n=11A034739
• Ratio A095107(n)/A095008(n) rounded down.at n=16A095357
• Number of lower triangles of a 5 X 5 0..n array with each element differing from all of its horizontal and vertical neighbors by one.at n=22A195001
• Numbers n such that the sum of the prime factors (including repeats) of prime(n)-1 and prime(n+1)-1 are the same.at n=25A259564
• Expansion of e.g.f.: (BesselI(0, 2*x) + BesselI(1, 2*x))^2*exp(2*x).at n=7A381889