27040

Appears in sequences

• Expansion of Product_{k>=1} (1 - x^k)^16.at n=18A000739
• Decimal part of a(n)^(1/5) starts with a 'nine digits' anagram.at n=14A034280
• Triangle T(n, k, q) = t(n,q)/(t(k,q)*t(n-k,q)), where t(n, k) = Product_{j=1..n} q-Pochhammer(j, k+1, k+1)/(1-(k+1))^j and t(n, 0) = n!, with q = 2, read by rows.at n=12A156951
• Double q-form product triangle:q=3;c(n,q)=Product[(1 - q^i)*(1 - q^(i - 1)), {i, 2, n}];t(n,m,q)=c(n,q)/(c(m,q)*c(n-m,q)).at n=12A173885
• Number of n-permutations in which there is a unique smallest cycle.at n=7A224245
• Number of (n+1) X (5+1) 0..2 arrays with no 2 X 2 subblock having the sum of its diagonal elements greater than the absolute difference of its antidiagonal elements.at n=5A251085
• Number of (n+1) X (6+1) 0..2 arrays with no 2 X 2 subblock having the sum of its diagonal elements greater than the absolute difference of its antidiagonal elements.at n=4A251086
• Numbers with an equal number of deficient and abundant divisors.at n=35A335543
• a(n) = the number of cubes (of integers > 0) that have bit length n.at n=50A365932