109411

Appears in sequences

• a(n) = (2*n+1)*(2*n+3)*(2*n+5)/3.at n=33A162540
• Number of endofunctions on [7] that are the n-th power of an endofunction.at n=21A247058
• Expansion of x * (d/dx) Sum_{k>=0} k!*x^(k*(k+1)/2)/Product_{j=1..k} (1 - x^j).at n=23A304797
• a(n) = a(n-2) + 2*a(n-4) - a(n-10), with a[0..9] = [1, 1, 1, 1, 1, 2, 3, 5, 6, 9].at n=37A366143