Lower triangular array, called S1hat(-4), related to partition number array A145369.

Terms

a(0) =1a(1) =4a(2) =1a(3) =12a(4) =4a(5) =1a(6) =24a(7) =28a(8) =4a(9) =1a(10) =24a(11) =72a(12) =28a(13) =4a(14) =1a(15) =0a(16) =264a(17) =136a(18) =28a(19) =4a(20) =1a(21) =0a(22) =384a(23) =456a(24) =136a(25) =28a(26) =4a(27) =1a(28) =0a(29) =864