Odd abundant numbers k for which sigma(k) == 3 (mod 4).

Terms

a(0) =11025a(1) =99225a(2) =245025a(3) =540225a(4) =893025a(5) =1334025a(6) =2205225a(7) =3980025a(8) =4862025a(9) =5832225a(10) =6890625a(11) =8037225a(12) =8555625a(13) =9828225a(14) =10595025a(15) =10989225a(16) =12006225a(17) =14402025a(18) =19847025a(19) =20385225a(20) =24354225a(21) =26163225a(22) =26471025a(23) =29648025a(24) =31979025a(25) =35820225a(26) =38378025a(27) =43758225a(28) =46580625a(29) =49491225