Triangle read by rows: T(n,k) = Sum_{j=0..n} binomial(n, k+j)*2^(n-k-j).

Terms

a(0) =1a(1) =3a(2) =1a(3) =9a(4) =5a(5) =1a(6) =27a(7) =19a(8) =7a(9) =1a(10) =81a(11) =65a(12) =33a(13) =9a(14) =1a(15) =243a(16) =211a(17) =131a(18) =51a(19) =11a(20) =1a(21) =729a(22) =665a(23) =473a(24) =233a(25) =73a(26) =13a(27) =1a(28) =2187a(29) =2059