40496

Appears in sequences

• Interprimes which are of the form s*prime, s=16.at n=30A075291
• a(n) = floor(e*(n+3)!) - (n+3)*(n+2)*(n+1)*n*floor(e*(n-1)!).at n=31A080770
• T(n,k) = Number of n-turn bishop's tours on a k X k board summed over all starting positions.at n=61A188777
• Number of 7-turn bishop's tours on an n X n board summed over all starting positions.at n=4A188782
• a(n) = n^3 - 2*n^2 + 2*n + 1.at n=34A188947
• G.f.: Sum_{n>=0} x^n*Product_{k=1..n} (1 - k*x) / (1 - (2*k-1)*x).at n=9A193320
• Number of 0..n arrays x(0..11) of 12 elements with zero 6th differences.at n=46A200374
• Number of nonzero terms in A117943 up to index 2^n: a(n) = Sum_{k=1..2^n} A117943(k).at n=17A255822
• a(n) = A306302(n)/2.at n=26A331756