a(n) = b((n+1)/2)^2 if n is odd and a(n) = b(n/2)*b(n/2+1) if n is even, where b = A057452.
A235120
a(n) = b((n+1)/2)^2 if n is odd and a(n) = b(n/2)*b(n/2+1) if n is even, where b = A057452.
Terms
- a(0) =64a(1) =152a(2) =361a(3) =1273a(4) =4489a(5) =22177a(6) =109561a(7) =735151a(8) =4932841a(9) =43480517a(10) =383258929a(11) =4299363701a(12) =48229869769a(13) =668098103693
External references
- oeis: A235120