562275

Appears in sequences

• Expansion of e.g.f. theta_3^(-5/2).at n=6A015683
• Odd nonunitary abundant numbers.at n=11A094889
• Triangle read by rows: T(n,k) (1 <= k <= n-1, n >= 2) = d(2*(n-k)-1)*(d(2*n-2)/d(2*(n-k)-2) - d(2*n-3)/d(2*(n-k)-3)), where d = A006882 is the double factorial function.at n=26A202212
• a(n) = (A259756(n)-1)/8.at n=33A275417
• Odd numbers k such that A187795(k) > 2*k.at n=11A347936
• Primitive terms of A347936: terms of A347936 that are not multiples of other terms of A347936.at n=10A347939
• Integers k such that k = Sum k/(p_i + j), where p_i are the prime factors of k (with multiplicity). Case j = 3.at n=20A380924