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A052032
Primes base 10 that remain prime in one (and only one) other base b, 2<=b<10, expansions interpreted as decimal numbers.
10
41, 53, 73, 107, 113, 131, 137, 139, 167, 173, 223, 233, 239, 257, 271, 293, 317, 389, 401, 467, 491, 509, 521, 557, 593, 641, 661, 691, 701, 739, 761, 809, 827, 829, 839, 853, 859, 863, 881, 887, 911, 937, 971, 977, 991, 1013, 1063, 1109, 1129, 1151, 1153
OFFSET
1,1
LINKS
Sebastian Petzelberger, Table of n, a(n) for n = 1..10000 [This replaces an earlier b-file computed by Harvey P. Dale]
MATHEMATICA
Select[Prime[Range[200]], Count[PrimeQ/@Table[FromDigits[ IntegerDigits[ #, i]], {i, 2, 9}], True]==1&] (* Harvey P. Dale, Oct 13 2012 *)
CROSSREFS
KEYWORD
nonn,base
AUTHOR
Patrick De Geest, Dec 15 1999
EXTENSIONS
Definition clarified by Harvey P. Dale, Oct 13 2012
STATUS
approved