a(n) = 2^floor((2-n)/2)*Sum_{0 <= k <= n and A337966(n, k) > 0} A173018(n, k).
A337999
a(n) = 2^floor((2-n)/2)*Sum_{0 <= k <= n and A337966(n, k) > 0} A173018(n, k).
Terms
- a(0) =2a(1) =2a(2) =0a(3) =0a(4) =11a(5) =33a(6) =29a(7) =60a(8) =3905a(9) =19524a(10) =62879a(11) =275436a(12) =10187165a(13) =71191608a(14) =481719419a(15) =3211782240a(16) =101121160145a(17) =904977244224
External references
- oeis: A337999