Partial sums of A045699.

Terms

a(0) =12a(1) =29a(2) =60a(3) =93a(4) =129a(5) =181a(6) =238a(7) =314a(8) =443a(9) =577a(10) =725a(11) =875a(12) =1049a(13) =1226a(14) =1422a(15) =1668a(16) =1962a(17) =2259a(18) =2575a(19) =2922a(20) =3274a(21) =3642a(22) =4011a(23) =4399a(24) =4791a(25) =5205a(26) =5669a(27) =6155a(28) =6667a(29) =7204