Average of terms in n-th row of A077529.

Terms

a(0) =1a(1) =3a(2) =6a(3) =36a(4) =321a(5) =207a(6) =257a(7) =345a(8) =364a(9) =0a(10) =78a(11) =2589a(12) =2489a(13) =4727a(14) =31995a(15) =12056a(16) =8321a(17) =15105a(18) =11605a(19) =0a(20) =14218a(21) =2003a(22) =17717a(23) =27645a(24) =65285a(25) =31570a(26) =47184a(27) =33277a(28) =35191a(29) =0