a(n) = (6*n!/(n+5)) *binomial(n+5,n-1)* 6F6(-n+1, 1/5*n+1, 1/5*n+9/5, 1/5*n+8/5, 1/5*n+7/5, 1/5*n+6/5; 7/6, 4/3, 3/2, 5/3, 11/6, 2; -3125/46656), where 6F6(;;) is the generalized hypergeometric series.
A090134
a(n) = (6*n!/(n+5)) *binomial(n+5,n-1)* 6F6(-n+1, 1/5*n+1, 1/5*n+9/5, 1/5*n+8/5, 1/5*n+7/5, 1/5*n+6/5; 7/6, 4/3, 3/2, 5/3, 11/6, 2; -3125/46656), where 6F6(;;) is the generalized hypergeometric series.
Terms
- a(0) =1a(1) =13a(2) =163a(3) =2353a(4) =40501a(5) =818821a(6) =18929023a(7) =489586273a(8) =13960500553a(9) =434386210141
External references
- oeis: A090134