The OEIS is supported by the many generous donors to the OEIS Foundation.
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|---|---|
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| 1 | 1 |
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| 14 | 10 |
| 15 | 15 |
| 16 | 15 |
| 17 | 15 |
| 18 | 15 |
| 19 | 15 |
| 20 | 15 |
| 21 | 21 |
| 22 | 21 |
| 23 | 21 |
| 24 | 21 |
| 25 | 21 |
| 26 | 21 |
| 27 | 21 |
| 28 | 28 |
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| 30 | 28 |
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| 65 | 55 |
| 66 | 66 |
| 67 | 66 |
| 68 | 66 |
| 69 | 66 |
| 70 | 66 |
| 71 | 66 |
[0,1,1,3,3,3,6,6,6,6,10,10,10,10,10,15,15,15,15, 15,15,21,21,21,21,21,21,21,28,28,28,28,28,28,28, 28,36,36,36,36,36,36,36,36,36,45,45,45,45,45,45, 45,45,45,45,55,55,55,55,55,55,55,55,55,55,55,66, 66,66,66,66,66] |