Triangle, read by rows, where row n forms a polynomial in y=3*k that generates diagonal n as k=0,1,2,... for n>=0; thus T(n,k) = Sum_{j=0..n-k} T(n-k,j)*(3*k)^j, with T(n,0)=T(n,n)=1.
A113716
Triangle, read by rows, where row n forms a polynomial in y=3*k that generates diagonal n as k=0,1,2,... for n>=0; thus T(n,k) = Sum_{j=0..n-k} T(n-k,j)*(3*k)^j, with T(n,0)=T(n,n)=1.
Terms
- a(0) =1a(1) =1a(2) =1a(3) =1a(4) =4a(5) =1a(6) =1a(7) =22a(8) =7a(9) =1a(10) =1a(11) =157a(12) =61a(13) =10a(14) =1a(15) =1a(16) =1372a(17) =601a(18) =118a(19) =13a(20) =1a(21) =1a(22) =14008a(23) =6595a(24) =1495a(25) =193a(26) =16a(27) =1a(28) =1a(29) =161995
External references
- oeis: A113716