1,2
P. De Geest, World!Of Palindromic Primes
E.g. 11 - 7 = 4
Cf. A002385.
Sequence in context: A075806 A050923 A067700 this_sequence A114695 A134084 A100247
Adjacent sequences: A037007 A037008 A037009 this_sequence A037011 A037012 A037013
base,nonn
G. L. Honaker, Jr. (honak3r(AT)gmail.com)
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