Partial sums of A304910.

Terms

a(0) =1a(1) =9a(2) =35a(3) =73a(4) =117a(5) =185a(6) =277a(7) =377a(8) =515a(9) =637a(10) =819a(11) =1011a(12) =1209a(13) =1433a(14) =1637a(15) =1873a(16) =2129a(17) =2405a(18) =2677a(19) =2953a(20) =3281a(21) =3653a(22) =4037a(23) =4433a(24) =4785a(25) =5221a(26) =5717a(27) =6145a(28) =6655a(29) =7145