Triangle of Poupard numbers g_n(k) read by rows, n>=1, 1<=k<=2n-1.

Terms

a(0) =1a(1) =0a(2) =2a(3) =0a(4) =0a(5) =4a(6) =8a(7) =4a(8) =0a(9) =0a(10) =32a(11) =64a(12) =80a(13) =64a(14) =32a(15) =0a(16) =0a(17) =544a(18) =1088a(19) =1504a(20) =1664a(21) =1504a(22) =1088a(23) =544a(24) =0a(25) =0a(26) =15872a(27) =31744a(28) =45440a(29) =54784