Primitive integers for the number of ways k to write as a sum of two squares.

Terms

a(0) =1a(1) =2a(2) =5a(3) =10a(4) =25a(5) =50a(6) =65a(7) =125a(8) =130a(9) =250a(10) =325a(11) =625a(12) =650a(13) =1105a(14) =1250a(15) =1625a(16) =2210a(17) =3125a(18) =3250a(19) =4225a(20) =5525a(21) =6250a(22) =8125a(23) =8450a(24) =11050a(25) =15625a(26) =16250a(27) =21125a(28) =27625a(29) =31250