OFFSET
1,1
LINKS
Sebastian Petzelberger, Table of n, a(n) for n = 1..1000
Carlos Rivera, PP&P Puzzle 24: Primes in several bases
MATHEMATICA
Select[Prime[Range@ 100000], Count[PrimeQ /@ Table[FromDigits[IntegerDigits[#, i]], {i, 2, 10}], True] == 7 &] (* Michael De Vlieger, Mar 21 2015, after Harvey P. Dale at A052032 *)
CROSSREFS
KEYWORD
nonn,base
AUTHOR
Patrick De Geest, Dec 15 1999
EXTENSIONS
Missing terms 2378143 and 2469241 added by Sebastian Petzelberger, Mar 21 2015
STATUS
approved