Numbers n with prime signature(n) = prime signature(n+1) = prime signature(n+2).

Terms

a(0) =33a(1) =85a(2) =93a(3) =141a(4) =201a(5) =213a(6) =217a(7) =301a(8) =393a(9) =445a(10) =603a(11) =633a(12) =697a(13) =921a(14) =1041a(15) =1137a(16) =1261a(17) =1274a(18) =1309a(19) =1345a(20) =1401a(21) =1641a(22) =1761a(23) =1837a(24) =1885a(25) =1893a(26) =1924a(27) =1941a(28) =1981a(29) =2013