Real part of Sum_{k=0..n} (k + i^k)^2, where i=sqrt(-1).

Terms

a(0) =1a(1) =1a(2) =2a(3) =10a(4) =35a(5) =59a(6) =84a(7) =132a(8) =213a(9) =293a(10) =374a(11) =494a(12) =663a(13) =831a(14) =1000a(15) =1224a(16) =1513a(17) =1801a(18) =2090a(19) =2450a(20) =2891a(21) =3331a(22) =3772a(23) =4300a(24) =4925a(25) =5549a(26) =6174a(27) =6902a(28) =7743a(29) =8583