Array of higher spin alternating sign matrices, read by antidiagonals.

Terms

a(0) =1a(1) =1a(2) =1a(3) =1a(4) =2a(5) =1a(6) =1a(7) =7a(8) =3a(9) =1a(10) =1a(11) =42a(12) =26a(13) =4a(14) =1a(15) =1a(16) =429a(17) =628a(18) =70a(19) =5a(20) =1a(21) =1a(22) =7436a(23) =41784a(24) =5102a(25) =155a(26) =6a(27) =1a(28) =1a(29) =218348