80481

Appears in sequences

• Expansion of 1/((1-2*x)*(1-5*x)*(1-9*x)*(1-10*x)).at n=4A026024
• Number of nondecreasing arrays of n 1..n integers with the sum of their 2nd powers equal to sum(i^2,i=1..n).at n=14A216640
• Number of non-isomorphic set multipartitions of weight n in which all parts have the same size.at n=21A306018
• Number of strict compositions of n with no three consecutive parts in arithmetic progression.at n=33A325849