Partial sums of A046878.

Terms

a(0) =0a(1) =1a(2) =2a(3) =7a(4) =9a(5) =17a(6) =30a(7) =181a(8) =213a(9) =296a(10) =369a(11) =1802a(12) =2449a(13) =17790a(14) =46001a(15) =56448a(16) =57664a(17) =77009a(18) =95190a(19) =746935a(20) =2289093a(21) =3753007a(22) =6539606a(23) =128829523a(24) =158059067a(25) =298060788a(26) =432415361a(27) =1207300530a(28) =1953285227a(29) =43665199740