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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 (list; graph; refs; listen; history; text; internal format)
OFFSET

0,1

COMMENTS

See A224953 for the main entry. The only difference is a(1) = 8, when two copies of 11 are produced.

LINKS

Table of n, a(n) for n=0..86.

CROSSREFS

Sequence in context: A159194 A200382 A143530 * A090488 A020848 A133058

Adjacent sequences:  A224533 A224534 A224535 * A224537 A224538 A224539

KEYWORD

nonn,base

AUTHOR

T. D. Noe, Apr 21 2013

STATUS

approved

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Last modified May 24 06:53 EDT 2019. Contains 323529 sequences. (Running on oeis4.)