Irregular triangle read by rows: rows are partial alternating sums of rows of A297191.

Terms

a(0) =1a(1) =1a(2) =4a(3) =1a(4) =1a(5) =8a(6) =17a(7) =8a(8) =1a(9) =1a(10) =12a(11) =49a(12) =80a(13) =49a(14) =12a(15) =1a(16) =1a(17) =16a(18) =97a(19) =280a(20) =401a(21) =280a(22) =97a(23) =16a(24) =1a(25) =1a(26) =20a(27) =161a(28) =672a(29) =1569