Number of 3 X 3 stochastic matrices under row and column permutations.

Terms

a(0) =1a(1) =1a(2) =3a(3) =5a(4) =9a(5) =13a(6) =22a(7) =30a(8) =45a(9) =61a(10) =85a(11) =111a(12) =149a(13) =189a(14) =244a(15) =304a(16) =381a(17) =465a(18) =571a(19) =685a(20) =825a(21) =977a(22) =1158a(23) =1354a(24) =1585a(25) =1833a(26) =2121a(27) =2431a(28) =2785a(29) =3165