A376761Number of primes between the n-th composite number c(n) and 2*c(n).
2, 2, 2, 3, 4, 4, 3, 4, 5, 4, 4, 5, 6, 6, 6, 6, …
The first 3 terms appear at position 1,735.
141592653589793238462643383279…
…32823066470938446095505822317253594081284811174502…
…862518983569485562099219222184272550254256887671790…
…5526031446167050827682772223534191102634163157147406…
…04711166079158743698654122234834188772292944633517865…
…324488110332420251747386222344906972367553788033995966…
…2974062860721319117070352223443002968071647394408838360…
…02295516763007390469281422234434275193175301580268259202…
…819233963941954130784090222344345445396855998760859906560…
…8192339639419541307840902223443454453968559987608599065609…
…81923396394195413078409022234434544539685599876085990656093…
…819233963941954130784090222344345445396855998760859906560936…
| terms | string | first position | occurrences |
|---|---|---|---|
| 1 | 2 | 6 | 100,002,410 |
| 2 | 22 | 135 | 10,005,081 |
| 3 | 222 | 1,735 | 999,612 |
| 4 | 2223 | 14,668 | 99,602 |
| 5 | 22234 | 25,469 | 10,019 |
| 6 | 222344 | 359,980 | 934 |
| 7 | 2223443 | 34,830,889 | 105 |
| 8 | 22234434 | 59,260,447 | 8 |
| 9 | 222344345 | 148,259,824 | 2 |
| 10 | 2223443454 | 148,259,824 | 1 |
| 11 | 22234434544 | 148,259,824 | 1 |
| 12 | 222344345445 | 148,259,824 | 1 |
Searched the first 1,000,000,000 digits. Strings longer than 12 digits are not indexed.