1,2
421, 21649, etc. are primes.
Cf. A083192.
Adjacent sequences: A083190 A083191 A083192 this_sequence A083194 A083195 A083196
Sequence in context: A142853 A087872 A068701 this_sequence A109505 A109473 A096024
base,more,nonn
Amarnath Murthy (amarnath_murthy(AT)yahoo.com), Apr 27 2003
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