a(n) is the smallest integer with at least n palindromic representations of length >= 3 in bases b >= 2.
A275220
a(n) is the smallest integer with at least n palindromic representations of length >= 3 in bases b >= 2.
Terms
- a(0) =5a(1) =17a(2) =65a(3) =121a(4) =562a(5) =1432a(6) =1477a(7) =4369a(8) =35101a(9) =35101a(10) =83161a(11) =83161a(12) =291721a(13) =291721a(14) =720721a(15) =887041a(16) =1496881a(17) =1670761a(18) =3341521a(19) =3341521a(20) =5654881a(21) =7207201a(22) =7761601a(23) =10810801a(24) =12252241a(25) =15135121a(26) =21621601a(27) =28274401a(28) =28274401a(29) =41081041
External references
- oeis: A275220