Numbers k such that the "inventory" A063850 of k is a palindrome.

Terms

a(0) =1a(1) =22a(2) =112a(3) =121a(4) =211a(5) =333a(6) =1113a(7) =1131a(8) =1311a(9) =3111a(10) =4444a(11) =11114a(12) =11141a(13) =11411a(14) =14111a(15) =22233a(16) =22323a(17) =22332a(18) =23223a(19) =23232a(20) =23322a(21) =32223a(22) =32232a(23) =32322a(24) =33222a(25) =41111a(26) =55555