T(n,k) = A009766(n,k) + A009766(n,n-k), triangle read by rows.

Terms

a(0) =2a(1) =2a(2) =2a(3) =3a(4) =4a(5) =3a(6) =6a(7) =8a(8) =8a(9) =6a(10) =15a(11) =18a(12) =18a(13) =18a(14) =15a(15) =43a(16) =47a(17) =42a(18) =42a(19) =47a(20) =43a(21) =133a(22) =138a(23) =110a(24) =96a(25) =110a(26) =138a(27) =133a(28) =430a(29) =436