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A198171
Primes from merging of 7 successive digits in decimal expansion of Pi forbidding leading zeros.
23
1592653, 6535897, 2643383, 5028841, 6939937, 3993751, 1170679, 8086513, 5822317, 1725359, 4930381, 2881097, 4612847, 3165271, 2712019, 1201909, 4914127, 1133053, 3841469, 1469519, 6951941, 9433057, 9326117, 4462379, 2749567, 5272489, 8912279, 8183011
OFFSET
1,1
COMMENTS
Leading zeros are not permitted, so each term is 7 digits in length.
LINKS
MATHEMATICA
With[{len=7}, Select[FromDigits/@Partition[RealDigits[Pi, 10, 1000][[1]], len, 1], IntegerLength[#]==len&&PrimeQ[#]&]]
KEYWORD
nonn,base,changed
AUTHOR
Harvey P. Dale, Oct 21 2011
STATUS
approved