514201

Properties

Appears in sequences

• Apply partial sum operator twice to Fibonacci numbers.at n=25A001924
• a(n) = T(2*n, n+1), T given by A027935.at n=12A027937
• Solution to the Dancing School Problem with n girls and n+2 boys: f(n,2).at n=23A079921
• Expansion of Product_{k>=1} 1/(1 - x^k)^A007437(k).at n=16A301873
• a(n)/A002939(n+1) is the Kirchhoff index of the join of the disjoint union of two complete graphs on n vertices with the empty graph on n+1 vertices.at n=30A338109
• Prime numbersat n=42611