The OEIS is supported by the many generous donors to the OEIS Foundation.
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| 1 | 3 | |||||||||||
| 3 | 20 | 30 | ||||||||||
| 15 | 161 | 525 | 525 | |||||||||
| 105 | 1584 | 8232 | 17640 | 13230 | ||||||||
| 945 | 18579 | 134970 | 457380 | 727650 | 436590 |
| 1 | 1 | 3 | 15 | 105 | 945 |
| 3 | 20 | 161 | 1584 | 18579 | |
| 30 | 525 | 8232 | 134970 | ||
| 525 | 17640 | 457380 | |||
| 13230 | 727650 | ||||
| 436590 |
| 1 | 1 | 3 | 15 | 105 | 945 |
| 3 | 20 | 161 | 1584 | 18579 | |
| 30 | 525 | 8232 | 134970 | ||
| 525 | 17640 | 457380 | |||
| 13230 | 727650 | ||||
| 436590 |