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A224536
Number of ways a digit can be appended or prepended to n and form a unique prime.
0
4, 8, 2, 8, 3, 2, 2, 8, 2, 6, 4, 5, 1, 6, 1, 2, 2, 4, 1, 8, 0, 4, 3, 5, 1, 2, 2, 6, 2, 4, 1, 7, 0, 5, 2, 2, 1, 5, 2, 6, 2, 5, 1, 6, 2, 1, 3, 5, 1, 5, 2, 3, 2, 4, 2, 1, 2, 8, 1, 5, 2, 6, 0, 6, 3, 2, 1, 6, 1, 4, 2, 4, 1, 6, 1, 2, 2, 6, 1, 4, 1, 4, 4, 6, 0, 3, 1
OFFSET
0,1
COMMENTS
See A224953 for the main entry. The only difference is a(1) = 8, when two copies of 11 are produced.
CROSSREFS
Sequence in context: A159194 A200382 A143530 * A090488 A020848 A133058
KEYWORD
nonn,base
AUTHOR
T. D. Noe, Apr 21 2013
STATUS
approved