Numbers m such that sigma(m) is a partition number.

Terms

a(0) =1a(1) =2a(2) =4a(3) =8a(4) =20a(5) =26a(6) =28a(7) =29a(8) =39a(9) =41a(10) =129a(11) =430a(12) =526a(13) =591a(14) =655a(15) =731a(16) =1388a(17) =1622a(18) =2249a(19) =3734a(20) =6841a(21) =18752a(22) =18772a(23) =21332a(24) =35017a(25) =37337a(26) =53173a(27) =105557a(28) =113377a(29) =124753