38166

Appears in sequences

• Binomial transform of the periodic sequence with periodic pattern 1,1,1,0,0.at n=16A129929
• a(n) = Sum_{k=1..n} k^2 * tau(k)^2, where tau is A000005.at n=18A320897
• Array read by antidiagonals: T(n,k) is the number of 3-connected triangulations of a disk up to orientation-preserving isomorphisms with n interior nodes and k nodes on the boundary, n >= 1, k >= 3.at n=50A341923