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A128376 Palindromic primes with only composite digits (i.e.,4,6,8,9). 1
94649, 94849, 94949, 96469, 98689, 9446449, 9686869, 9888889, 9889889, 9896989, 9989899, 944999449, 946666649, 946999649, 948898849, 964444469, 964989469, 966848669, 968646869, 968666869, 968868869, 968898869, 968999869, 986444689 (list; graph; refs; listen; history; text; internal format)
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

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Last modified May 22 11:06 EDT 2022. Contains 353949 sequences. (Running on oeis4.)