1104490

Appears in sequences

• a(n) = 2*n^4 + 2*n^3 + 3*n^2 + 2*n + 1.at n=27A058920
• Smallest k>A077059(n) such that A077059(n)^2+k^2 is a cube (=A077061(n)^3).at n=32A077060
• Vacation Dyck paths. Discrete analog for vacation M/M/1 queue embedded chain.at n=27A309976