Array read by downward antidiagonals: A(n,k) = A(n-1,k+1) + Sum_{j=0..k} binomial(k+1,j)*A(n-1,j)*A(k-j,0) with A(0,k) = 1.
A392058
Array read by downward antidiagonals: A(n,k) = A(n-1,k+1) + Sum_{j=0..k} binomial(k+1,j)*A(n-1,j)*A(k-j,0) with A(0,k) = 1.
Terms
- a(0) =1a(1) =1a(2) =2a(3) =1a(4) =5a(5) =7a(6) =1a(7) =17a(8) =31a(9) =38a(10) =1a(11) =83a(12) =178a(13) =254a(14) =292a(15) =1a(16) =578a(17) =1330a(18) =2099a(19) =2683a(20) =2975a(21) =1a(22) =5474a(23) =12748a(24) =21338a(25) =29425a(26) =35375a(27) =38350a(28) =1a(29) =66932
External references
- oeis: A392058