b(n) in (sqrt(2))_n = b(n) + c(n)*sqrt(2), where (x)_n is the Pochhammer symbol, b(n) and c(n) are integers.

A263687

b(n) in (sqrt(2))_n = b(n) + c(n)*sqrt(2), where (x)_n is the Pochhammer symbol, b(n) and c(n) are integers.

Terms

    a(0) =1a(1) =0a(2) =2a(3) =6a(4) =26a(5) =140a(6) =896a(7) =6636a(8) =55804a(9) =525168a(10) =5468008a(11) =62403880a(12) =774616696a(13) =10390122288a(14) =149757486368

External references