A157868 -id:A157868

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Search: a157868 -id:a157868

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A157869

Palindromic primes having both a prime middle digit and a prime digital root.

+10
0

2, 3, 5, 7, 131, 151, 353, 727, 929, 10301, 10501, 11311, 13331, 19391, 35753, 36263, 36563, 37573, 38783, 70207, 72227, 72727, 74747, 75557, 76367, 90709, 94349, 96269, 1003001, 1062601, 1082801, 1085801, 1093901, 1123211, 1175711, 1177711

(list; graph; refs; listen; history; text; internal format)

OFFSET

1,1

COMMENTS

Subsequence of A076611.

LINKS

Table of n, a(n) for n=1..36.

CROSSREFS

A002385, A157868

KEYWORD

nonn,base,less

AUTHOR

Lekraj Beedassy, Mar 08 2009

EXTENSIONS

Corrected and extended by Ray Chandler, Mar 12 2009

STATUS

approved

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