Non-deficient numbers with odd sigma such that the sum of the even divisors is twice the sum of the odd divisors.
A171642
Non-deficient numbers with odd sigma such that the sum of the even divisors is twice the sum of the odd divisors.
Terms
- a(0) =18a(1) =162a(2) =450a(3) =882a(4) =1458a(5) =2178a(6) =2450a(7) =3042a(8) =4050a(9) =5202a(10) =6050a(11) =6498a(12) =7938a(13) =8450a(14) =9522a(15) =11250a(16) =13122a(17) =15138a(18) =17298a(19) =19602a(20) =22050a(21) =24642a(22) =27378a(23) =30258a(24) =33282a(25) =36450a(26) =39762a(27) =43218a(28) =46818a(29) =50562
External references
- oeis: A171642