1,1
373{10} gives 373{9} but also 373{4} and 373{8}.
P. De Geest, World!Of Palindromic Primes
Cf. A002385.
Sequence in context: A064155 A069803 A083184 this_sequence A046475 A029978 A122764
Adjacent sequences: A046475 A046476 A046477 this_sequence A046479 A046480 A046481
nonn,hard,base
Patrick De Geest (pdg(AT)worldofnumbers.com), Aug 15 1998.
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