a(n) = 3F0(-n,-n+1,-n+2;;-1/2) = n!*(n-1)!*2^(1-n)* 1F2(-n+2;2,3;-2), where nFm(;;) are generalized hypergeometric series.
A174324
a(n) = 3F0(-n,-n+1,-n+2;;-1/2) = n!*(n-1)!*2^(1-n)* 1F2(-n+2;2,3;-2), where nFm(;;) are generalized hypergeometric series.
Terms
- a(0) =1a(1) =4a(2) =31a(3) =391a(4) =7261a(5) =185956a(6) =6271189a(7) =269066701a(8) =14300511481a(9) =921666527596
External references
- oeis: A174324