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A152274
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Number of 2's among the digits of all n-digit primes.
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9
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1, 2, 29, 359, 3515, 35666, 361054, 3647203, 36746382, 369719841, 3715552230
(list; graph; refs; listen; history; internal format)
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OFFSET
| 1,2
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CROSSREFS
| Cf. A130817, A152272, A152273, A152275, A152276, A152277, A152278, A152279, A152280, A152281.
Sequence in context: A091716 A198698 A094940 * A183722 A104535 A187362
Adjacent sequences: A152271 A152272 A152273 * A152275 A152276 A152277
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KEYWORD
| base,nonn
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AUTHOR
| Jon E. Schoenfield (jonscho(AT)hiwaay.net), Dec 01 2008
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