a(n) = (F(4*n + 3) - F(4*n - 1) - 5*n + 9)/5, where F(n) = A000045(n).
A392839
a(n) = (F(4*n + 3) - F(4*n - 1) - 5*n + 9)/5, where F(n) = A000045(n).
Terms
- a(0) =2a(1) =3a(2) =15a(3) =103a(4) =712a(5) =4892a(6) =33548a(7) =229965a(8) =1576233a(9) =10803697a(10) =74049682a(11) =507544118a(12) =3478759190a(13) =23843770263a(14) =163427632707
External references
- oeis: A392839