A128376 Palindromic primes with only composite digits (i.e.,4,6,8,9).

94649, 94849, 94949, 96469, 98689, 9446449, 9686869, 9888889, 9889889, 9896989, 9989899, 944999449, 946666649, 946999649, 948898849, 964444469, 964989469, 966848669, 968646869, 968666869, 968868869, 968898869, 968999869, 986444689

Offset

1,1

Comments

Subsequence of A128375.

Links

Table of n, a(n) for n=1..24.

Mathematica

Select[Flatten[Table[FromDigits/@Tuples[{4, 6, 8, 9}, n], {n, 9}]], PalindromeQ[ #] && PrimeQ[#]&] (* Harvey P. Dale, Dec 20 2018 *)

Crossrefs

Cf. A002385, A083185.

Sequence in context: A248067 A252323 A030091 * A216122 A206411 A128389

Adjacent sequences: A128373 A128374 A128375 * A128377 A128378 A128379

Keyword

nonn,base,less

Author

Lekraj Beedassy, Feb 27 2007

Extensions

Corrected by Ray Chandler, Feb 28 2007

Status

approved