57833

Appears in sequences

• Number of n-node rooted trees of height at most 6.at n=15A034823
• Number of 2 X 2 regular integer matrices with elements from {0,...,n} up to row and column permutation.at n=21A064363
• Row sums of triangle A137680.at n=13A137681
• Number of length n+2 0..4 arrays with the sum of second differences squared multiplied by some arrangement of +-1 equal to zero.at n=5A250316
• T(n,k)=Number of length n+2 0..k arrays with the sum of second differences squared multiplied by some arrangement of +-1 equal to zero.at n=41A250320
• Number of length 6+2 0..n arrays with the sum of second differences squared multiplied by some arrangement of +-1 equal to zero.at n=3A250325
• a(n) = [x^prime(n)] Product_{k=1..n} (x^prime(k) + 1 + 1/x^prime(k)).at n=14A369390