Emirps that become their own reversals when rotated through 180 degrees (including on calculator display).
A209620
Emirps that become their own reversals when rotated through 180 degrees (including on calculator display).
Terms
- a(0) =1021a(1) =1151a(2) =1181a(3) =1201a(4) =1511a(5) =1811a(6) =10151a(7) =11551a(8) =15101a(9) =15511a(10) =100511a(11) =101281a(12) =102181a(13) =102551a(14) =105211a(15) =105251a(16) =108881a(17) =110051a(18) =110221a(19) =110281a(20) =110881a(21) =111211a(22) =111821a(23) =112111a(24) =112181a(25) =112501a(26) =115001a(27) =115021a(28) =118081a(29) =120121
External references
- oeis: A209620