20375

Appears in sequences

• Number of 5-ary rooted trees with n nodes and height exactly 7.at n=15A036638
• Smallest multiple of n-th prime which is == 1 mod (n+1)-st prime.at n=37A073603
• prime(n)*( prime(n)-n ).at n=37A161522
• Number of nX2 arrays containing 2 copies of 0..n-1 with no element 1 greater than its north, west or northeast neighbor modulo n and the upper left element equal to 0.at n=5A266289
• T(n,k)=Number of nXk arrays containing k copies of 0..n-1 with no element 1 greater than its north, west or northeast neighbor modulo n and the upper left element equal to 0.at n=26A266291
• a(n) = A003415(A276086(n)) mod A276086(n).at n=57A342015
• Difference between the arithmetic derivative of A276086(n) and A276086(n) itself, which is the prime product form of primorial base expansion of n.at n=57A342016