Numbers n written in base 10 that are palindromic in exactly three bases b, 2 <= b <= 10 and not simultaneously bases 2, 4 and 8.
A260184
Numbers n written in base 10 that are palindromic in exactly three bases b, 2 <= b <= 10 and not simultaneously bases 2, 4 and 8.
Terms
- a(0) =9a(1) =10a(2) =21a(3) =40a(4) =55a(5) =80a(6) =85a(7) =100a(8) =130a(9) =154a(10) =164a(11) =178a(12) =191a(13) =203a(14) =235a(15) =242a(16) =255a(17) =257a(18) =273a(19) =282a(20) =292a(21) =300a(22) =328a(23) =400a(24) =455a(25) =585a(26) =656a(27) =819a(28) =910a(29) =2709
External references
- oeis: A260184