Binomial transform of the sequence of binomial(3n,n).
A188686
Binomial transform of the sequence of binomial(3n,n).
Terms
- a(0) =1a(1) =4a(2) =22a(3) =139a(4) =934a(5) =6484a(6) =45931a(7) =329893a(8) =2393470a(9) =17499892a(10) =128732992a(11) =951674398a(12) =7064138779a(13) =52616241370a(14) =393052285291
External references
- oeis: A188686