Partial sums of orders of finite perfect groups (A060793).

Terms

a(0) =1a(1) =61a(2) =181a(3) =349a(4) =685a(5) =1045a(6) =1549a(7) =2209a(8) =2929a(9) =3889a(10) =4969a(11) =6061a(12) =7381a(13) =8725a(14) =10645a(15) =12805a(16) =14989a(17) =17437a(18) =19957a(19) =22645a(20) =25645a(21) =29065a(22) =32665a(23) =36505a(24) =40585a(25) =45445a(26) =50341a(27) =55381a(28) =60757a(29) =66373