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A152278
Number of 6's among the digits of all n-digit primes.
9
0, 2, 31, 336, 3372, 34973, 356907, 3612084, 36476490, 367550925, 3697683123, 37160602675, 373149954035, 3744652623110
OFFSET
1,2
KEYWORD
base,nonn
AUTHOR
Jon E. Schoenfield, Dec 01 2008
EXTENSIONS
a(12)-a(14) from Giovanni Resta, Jul 20 2015
STATUS
approved