Numbers k such that k, k+1 and k+2 have the same number of divisors.

Terms

a(0) =33a(1) =85a(2) =93a(3) =141a(4) =201a(5) =213a(6) =217a(7) =230a(8) =242a(9) =243a(10) =301a(11) =374a(12) =393a(13) =445a(14) =603a(15) =633a(16) =663a(17) =697a(18) =902a(19) =921a(20) =1041a(21) =1105a(22) =1137a(23) =1261a(24) =1274a(25) =1309a(26) =1334a(27) =1345a(28) =1401a(29) =1641