54894

Appears in sequences

• Expansion of Product_{k>=1} 1/(1 - 2*t^k).at n=14A070933
• Number of nondecreasing arrangements of 5 nonzero numbers in -(n+3)..(n+3) with sum zero.at n=24A188335
• Principal diagonal of the convolution array A213822.at n=20A213823
• Number of partitions p of n such that min(p) <= (number of parts of p) <= max(p).at n=45A325343
• a(n) = Sum_{d|n} d^(tau(d) - 1).at n=37A348349
• a(n) = Sum_{k=0..n} 2^(n-k) * binomial(2*n+2,k) * binomial(2*n-k-1,n-k).at n=5A386865