Partial sums of A304077.

Terms

a(0) =1a(1) =5a(2) =17a(3) =41a(4) =77a(5) =129a(6) =181a(7) =253a(8) =345a(9) =465a(10) =549a(11) =653a(12) =769a(13) =937a(14) =1093a(15) =1297a(16) =1517a(17) =1777a(18) =1925a(19) =2093a(20) =2257a(21) =2505a(22) =2749a(23) =3057a(24) =3357a(25) =3725a(26) =4009a(27) =4353a(28) =4653a(29) =5061