48601

Appears in sequences

• a(n) = Sum_{i=0..n} T(i,n-i), array T as in A049735.at n=28A049736
• Number of 5-level labeled linear rooted trees with n leaves.at n=5A050353
• a(1) = 1; for n>1, a(n) = the smallest number p > a(n-1) such that (a(n-1)+p)/2 is a cube.at n=35A126950
• a(n) = 54*n^2 + 1.at n=30A158646
• Partial sums of Wagstaff numbers A000978.at n=26A172296
• Generalized Fubini numbers. Square array read by ascending antidiagonals, A(n,k) = 1 + k*(Sum_{j=1..n-1} C(n,j)*A(j,k)); n>=0 and k>=0.at n=49A257565
• Number of set partitions of [n] such that for each block b the smallest integer interval containing b has at most five elements and for at least one block c the smallest integer interval containing c has exactly five elements.at n=7A320555
• a(n) = (1/n^2) * Sum_{k>=1} k^n * (1 - 1/n)^(k - 1).at n=4A331345