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A222727 Palindromic primes starting with a digit 7. 3
7, 727, 757, 787, 797, 70207, 70507, 70607, 71317, 71917, 72227, 72727, 73037, 73237, 73637, 74047, 74747, 75557, 76367, 76667, 77377, 77477, 77977, 78487, 78787, 78887, 79397, 79697, 79997, 7014107, 7035307, 7036307, 7041407, 7046407, 7057507, 7065607, 7069607 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

COMMENTS

Subsequence of A002385 (palindromic primes) and A002113 (palindromic numbers). Complement of A222728 (palindromic composite numbers starting with a digit 7) with respect to A043042 (palindromic numbers starting with a digit 7).

LINKS

Jaroslav Krizek, Table of n, a(n) for n = 1..1000

CROSSREFS

Cf. A002385, A002113, A222728, A043042.

Sequence in context: A068004 A098110 A062334 * A201485 A083978 A162138

Adjacent sequences:  A222724 A222725 A222726 * A222728 A222729 A222730

KEYWORD

nonn,base

AUTHOR

Jaroslav Krizek, Mar 09 2013

STATUS

approved

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Last modified January 18 10:47 EST 2022. Contains 350454 sequences. (Running on oeis4.)