Absolute difference between sum of odd divisors of n^2 and sum of even divisors of n^2.

Terms

a(0) =1a(1) =5a(2) =13a(3) =29a(4) =31a(5) =65a(6) =57a(7) =125a(8) =121a(9) =155a(10) =133a(11) =377a(12) =183a(13) =285a(14) =403a(15) =509a(16) =307a(17) =605a(18) =381a(19) =899a(20) =741a(21) =665a(22) =553a(23) =1625a(24) =781a(25) =915a(26) =1093a(27) =1653a(28) =871a(29) =2015