Partial sums of A002046.

Terms

a(0) =284a(1) =1494a(2) =4418a(3) =9982a(4) =16350a(5) =27206a(6) =41801a(7) =60217a(8) =136301a(9) =203293a(10) =274438a(11) =362071a(12) =450801a(13) =574956a(14) =714771a(15) =837923a(16) =991099a(17) =1159829a(18) =1336165a(19) =1517013a(20) =1720445a(21) =1922889a(22) =2287973a(23) =2677897a(24) =3108299a(25) =3507891a(26) =3963235a(27) =4449413a(28) =4964149a(29) =5490064