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A122490 Least number k such that k+10^n is a symmetric prime with symmetric digits. +0
3
3, 7, 9, 7, 49, 33, 169, 7, 7, 207, 237, 91, 313, 261, 273, 79, 49, 2901, 51, 441, 193, 9, 531, 289, 1141, 67, 909, 33, 753, 2613, 657, 49, 4459, 603 (list; graph; listen)
OFFSET

1,1

EXAMPLE

3+10^1=13 13 and 31 symmetric primes with symmetric digits

7+10^2=107 107 and 701 symmetric primes with symmetric digits

9+10^3=1009 1009 and 9001 symmetric primes with symmetric digits

CROSSREFS

Sequence in context: A005534 A113014 A102520 this_sequence A096910 A082768 A037372

Adjacent sequences: A122487 A122488 A122489 this_sequence A122491 A122492 A122493

KEYWORD

nonn,base

AUTHOR

Pierre CAMI (pierrecami(AT)tele2.fr), Sep 16 2006

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Last modified November 25 20:09 EST 2009. Contains 167514 sequences.


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