a(n) is the least number k having exactly n representations as m + sigma(m), where sigma(m) is the sum of the divisors of m.

A186273

a(n) is the least number k having exactly n representations as m + sigma(m), where sigma(m) is the sum of the divisors of m.

Terms

    a(0) =2a(1) =11a(2) =95a(3) =3623a(4) =2363a(5) =6143a(6) =21263a(7) =89303a(8) =202703a(9) =472973a(10) =493763a(11) =1013513a(12) =3986483a(13) =3306713a(14) =2364863a(15) =21283763a(16) =19932413a(17) =29391863a(18) =74887313a(19) =98679263a(20) =87499913a(21) =134797163a(22) =201013313a(23) =267843713a(24) =560472413a(25) =775337063a(26) =361823963a(27) =673985813

External references