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A064396
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Primes p for which the exponent of the highest power of 2 dividing p! is equal to prevprime(prevprime(p)).
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0
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317, 467, 619, 1303, 1307, 1429, 1433, 1489, 1613, 1699, 1873, 2713, 2719, 2797, 2971, 3307, 3541, 3769, 4937, 5087, 5233, 5443, 5479, 5507, 5527, 5653, 5657, 5749, 6047, 6143, 6571, 7487, 7547, 7583, 8017, 8431, 8867, 9007, 9931
(list; graph; refs; listen; history; internal format)
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OFFSET
| 1,1
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EXAMPLE
| 317!=2^311 * 3^155 * 5^77 * 7^51 * 11^30 * 13^25 * 17^19 * 19^16 * 23^13 * 29^10 * 31^10 * 37^8 * 41^7 * 43^7 * 47^6 * 53^5 * 59^5 * 61^5 * 67^4 * 71^4 * 73^4 * 79^4 * 83^3 * 89^3 * 97^3 * 101^3 * 103^3 * 107^2 * 109^2 * 113^2 * 127^2 * 131^2 * 137^2 * 139^2 * 149^2 * 151^2 * 157^2 * 163 * 167 * 173 * 179 * 181 * 191 * 193 * 197 * 199 * 211 * 223 * 227 * 229 * 233 * 239 * 241 * 251 * 257 * 263 * 269 * 271 * 277 * 281 * 283 * 293 * 307 * 311 * 313 * 317.
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CROSSREFS
| Sequence in context: A101112 A012871 A142003 * A142130 A058002 A045272
Adjacent sequences: A064393 A064394 A064395 * A064397 A064398 A064399
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KEYWORD
| nonn
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AUTHOR
| Vladeta Jovovic (vladeta(AT)eunet.rs), Sep 29 2001
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