T(n,k) = 5*A046802(n,k) - 4*A007318(n,k), triangle read by rows (0 <= k <= n).

Terms

a(0) =1a(1) =1a(2) =1a(3) =1a(4) =7a(5) =1a(6) =1a(7) =23a(8) =23a(9) =1a(10) =1a(11) =59a(12) =141a(13) =59a(14) =1a(15) =1a(16) =135a(17) =615a(18) =615a(19) =135a(20) =1a(21) =1a(22) =291a(23) =2305a(24) =4335a(25) =2305a(26) =291a(27) =1a(28) =1a(29) =607