Number of 3 X 3 Fishburn matrices with entries in the set {0,1,...,n}.

Terms

a(0) =0a(1) =10a(2) =264a(3) =2052a(4) =9280a(5) =30750a(6) =83160a(7) =194824a(8) =410112a(9) =794610a(10) =1441000a(11) =2475660a(12) =4065984a(13) =6428422a(14) =9837240a(15) =14634000a(16) =21237760a(17) =30155994a(18) =41996232a(19) =57478420a(20) =77448000a(21) =102889710a(22) =134942104a(23) =174912792a(24) =224294400a(25) =284781250a(26) =358286760a(27) =446961564a(28) =553212352