51096

Appears in sequences

• Positions of 11's in A131744.at n=25A133152
• a(n) = (3!)^3 * [z^3] hypergeom([], [1,1], z)^n.at n=12A287702
• G.f.: Sum_{k>=1} x^(2*k-1)/(1-x^(2*k-1)) * Product_{k>=1} (1+x^k)/(1-x^k).at n=22A305105