A399279Decimal expansion of Sum_{k>=1} H(4*k)/k^2, where H(k) = A001008(k)/A002805(k) is the k-th harmonic number.
4, 3, 1, 2, 0, 4, 5, 0, 0, 0, 7, 4, 5, 2, 7, 9, …
The first 2 terms appear at position 23.
14159265358979323846264338…
141592653589793238462643383279502884197169399375…
…068203496252451749399651431429809190659250937221696…
…9438394006375611645856094312951759771393539607432279…
…96071051370608461801187543120725491334994247617115633…
…765362119418398091405435431204661107102294914795728223…
…6653915344433107047658974312045919184981022249337644256…
…29042716469602608826040443120450007447741246674635759776…
…290427164696026088260404431204500074477412466746357597769…
…2904271646960260882604044312045000744774124667463575977692…
…29042716469602608826040443120450007447741246674635759776926…
…290427164696026088260404431204500074477412466746357597769265…
| terms | string | first position | occurrences |
|---|---|---|---|
| 1 | 4 | 2 | 100,011,958 |
| 2 | 43 | 23 | 9,995,596 |
| 3 | 431 | 2,119 | 998,177 |
| 4 | 4312 | 44,394 | 99,716 |
| 5 | 43120 | 61,440 | 9,963 |
| 6 | 431204 | 822,259 | 997 |
| 7 | 4312045 | 12,060,367 | 114 |
| 8 | 43120450 | 27,143,463 | 14 |
| 9 | 431204500 | 27,143,463 | 3 |
| 10 | 4312045000 | 27,143,463 | 1 |
| 11 | 43120450007 | 27,143,463 | 1 |
| 12 | 431204500074 | 27,143,463 | 1 |
Searched the first 1,000,000,000 digits. Strings longer than 12 digits are not indexed.