Number of facets of the Alternating Sign Matrix polytope ASM(n).

Terms

a(0) =1a(1) =1a(2) =2a(3) =8a(4) =20a(5) =40a(6) =68a(7) =104a(8) =148a(9) =200a(10) =260a(11) =328a(12) =404a(13) =488a(14) =580a(15) =680a(16) =788a(17) =904a(18) =1028a(19) =1160a(20) =1300a(21) =1448a(22) =1604a(23) =1768a(24) =1940a(25) =2120a(26) =2308a(27) =2504a(28) =2708a(29) =2920