Triangle read by rows: absolute values of odd-numbered rows of A225356.

Terms

a(0) =1a(1) =1a(2) =22a(3) =1a(4) =1a(5) =236a(6) =1446a(7) =236a(8) =1a(9) =1a(10) =2178a(11) =58479a(12) =201244a(13) =58479a(14) =2178a(15) =1a(16) =1a(17) =19672a(18) =1736668a(19) =19971304a(20) =49441990a(21) =19971304a(22) =1736668a(23) =19672a(24) =1a(25) =1a(26) =177134a(27) =46525293a(28) =1356555432a(29) =9480267666