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| n | a(n) |
|---|---|
| 1 | 1 |
| 2 | 6 |
| 3 | 22 |
| 4 | 63 |
| 5 | 151 |
| 6 | 316 |
| 7 | 596 |
| 8 | 1037 |
| 9 | 1693 |
| 10 | 2626 |
| 11 | 3906 |
| 12 | 5611 |
| 13 | 7827 |
| 14 | 10648 |
| 15 | 14176 |
| 16 | 18521 |
| 17 | 23801 |
| 18 | 30142 |
| 19 | 37678 |
| 20 | 46551 |
| 21 | 56911 |
| 22 | 68916 |
| 23 | 82732 |
| 24 | 98533 |
| 25 | 116501 |
| 26 | 136826 |
| 27 | 159706 |
| 28 | 185347 |
| 29 | 213963 |
| 30 | 245776 |
| 31 | 281016 |
| 32 | 319921 |
| 33 | 362737 |
| 34 | 409718 |
| 35 | 461126 |
| 36 | 517231 |
| 37 | 578311 |
| 38 | 644652 |
| 39 | 716548 |
| 40 | 794301 |
[1,6,22,63,151,316,596,1037,1693,2626,3906,5611, 7827,10648,14176,18521,23801,30142,37678,46551, 56911,68916,82732,98533,116501,136826,159706, 185347,213963,245776,281016,319921,362737,409718, 461126,517231,578311,644652,716548,794301] |