Partial sums of A078902.

Terms

a(0) =17a(1) =114a(2) =371a(3) =708a(4) =1589a(5) =5286a(6) =15943a(7) =32504a(8) =81801a(9) =147338a(10) =214315a(11) =303356a(12) =452413a(13) =1300014a(14) =2288431a(15) =3434528a(16) =5406625a(17) =7476866a(18) =9999123a(19) =12836084a(20) =16389861a(21) =20349158a(22) =24747735a(23) =30133496a(24) =37300393a(25) =48373610a(26) =66027291a(27) =98557468