Array read by ascending antidiagonals: A(n,k) = (2*n + 1)*2^(2*k+1) - 1 with k >= 0.

Terms

a(0) =1a(1) =5a(2) =7a(3) =9a(4) =23a(5) =31a(6) =13a(7) =39a(8) =95a(9) =127a(10) =17a(11) =55a(12) =159a(13) =383a(14) =511a(15) =21a(16) =71a(17) =223a(18) =639a(19) =1535a(20) =2047a(21) =25a(22) =87a(23) =287a(24) =895a(25) =2559a(26) =6143a(27) =8191a(28) =29a(29) =103