6806800

Appears in sequences

• Noncrossing set partition version of A102356.at n=17A130760
• a(n) = n*(n+1)*(n+2)*(n+3)*(2*n+1)/12.at n=32A356251
• Expansion of e.g.f. exp( Sum_{k>=0} x^(5*k+3) / (5*k+3)! ).at n=17A365893