40260

Appears in sequences

• Number of partitions of n into parts not of the form 23k, 23k+10 or 23k-10. Also number of partitions with at most 9 parts of size 1 and differences between parts at distance 10 are greater than 1.at n=41A035998
• Saint-Exupéry numbers: ordered products of the three sides of Pythagorean triangles.at n=18A057096
• Ordered products of the sides of primitive Pythagorean triangles.at n=7A063011
• Number of binary words of length n with exactly one occurrence of the subword given by the binary expansion of n.at n=17A229905
• Number of length n arrays x(i), i=1..n with x(i) in 0..i and no value appearing more than 5 times.at n=6A248839
• Number of nX3 0..1 arrays with every element unequal to 1, 2, 5 or 8 king-move adjacent elements, with upper left element zero.at n=21A304297
• a(n) = n * sigma_2(n).at n=32A328259
• Numbers k such that psi(k^2) = k, psi = A002322; indices of 1 in A341857.at n=36A341858