Triangle read by rows: T(n, k) = 2^n*(q^k - 1)*(q^(n - k) - 1) + 1, where q = 4.

Terms

a(0) =1a(1) =1a(2) =1a(3) =1a(4) =37a(5) =1a(6) =1a(7) =361a(8) =361a(9) =1a(10) =1a(11) =3025a(12) =3601a(13) =3025a(14) =1a(15) =1a(16) =24481a(17) =30241a(18) =30241a(19) =24481a(20) =1a(21) =1a(22) =196417a(23) =244801a(24) =254017a(25) =244801a(26) =196417a(27) =1a(28) =1a(29) =1572481