Square table T(n,k), read by antidiagonals, that satisfies T(n,0)=1, T(n+1,k+1) = sum(i=0,n, sum(j=0,k, T(n-i,k-j)*T(i,j) )), such that the top row and diagonal are equal: T(0,k)=T(k,k)=A088159(k).
A088158
Square table T(n,k), read by antidiagonals, that satisfies T(n,0)=1, T(n+1,k+1) = sum(i=0,n, sum(j=0,k, T(n-i,k-j)*T(i,j) )), such that the top row and diagonal are equal: T(0,k)=T(k,k)=A088159(k).
Terms
- a(0) =1a(1) =1a(2) =1a(3) =4a(4) =1a(5) =1a(6) =25a(7) =2a(8) =2a(9) =1a(10) =202a(11) =9a(12) =4a(13) =3a(14) =1a(15) =1944a(16) =58a(17) =14a(18) =8a(19) =4a(20) =1a(21) =21356a(22) =470a(23) =80a(24) =25a(25) =14a(26) =5a(27) =1a(28) =261213a(29) =4492
External references
- oeis: A088158