Number of 2 X 2 matrices M with terms in {1,...,n} such that permanent(M) > n.

Terms

a(0) =0a(1) =1a(2) =15a(3) =76a(4) =243a(5) =598a(6) =1249a(7) =2326a(8) =3984a(9) =6405a(10) =9786a(11) =14363a(12) =20378a(13) =28117a(14) =37864a(15) =49965a(16) =64740a(17) =82591a(18) =103877a(19) =129062a(20) =158543a(21) =192832a(22) =232371a(23) =277740a(24) =329399a(25) =388002a(26) =454043a(27) =528220a(28) =611087a(29) =703402