Cube of the lower triangular normalized partition matrix.

Terms

a(0) =1a(1) =7a(2) =1a(3) =85a(4) =19a(5) =4a(6) =814a(7) =253a(8) =49a(9) =9a(10) =102727a(11) =38329a(12) =10882a(13) =1962a(14) =450a(15) =12277291a(16) =5271157a(17) =1581856a(18) =346596a(19) =74100a(20) =14700a(21) =46825417a(22) =22745055a(23) =7869040a(24) =1965504a(25) =512612a(26) =100156a(27) =23716a(28) =65344835a(29) =34733236