25557

Appears in sequences

• a(n) = Sum_{i+j+k=n, 0<=j<=i<=n, 0<=k<=n} (n+k)!/(i! * j! * (2*k)!).at n=8A092465
• Least number k such that k! in binary representation contains a run of exactly n consecutive nontrivial zeros.at n=29A094010
• Records in A068189 (smallest number k such that n = product of nonzero digits of k, or 0 if no such k exists).at n=47A096867
• G.f.: Sum_{n>=0} x^n / Product_{k=0..n} (1 - (2*k-1)*x)^2.at n=7A216373
• Base 6 digits are, in order, the first n terms of the periodic sequence with initial period 3,1,4,1,5 (the first five digits of Pi).at n=5A290477
• Number of compositions (ordered partitions) of n into prime power parts (A246655) such that no two adjacent parts are equal (Carlitz compositions).at n=29A301501
• Row sums of A325433.at n=43A325434
• E.g.f.: Product_{k>=1} (1 + (exp(x) - 1)^k)^(1/k).at n=7A345750
• Coefficient of x^n in the expansion of 1 / ( (1-x) * (1-x-x^2) )^n.at n=6A372233