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Reminder: The OEIS is hiring a new managing editor, and the application deadline is January 26.
| n | a(n) |
|---|---|
| 0 | 1 |
| 1 | 6 |
| 2 | 21 |
| 3 | 56 |
| 4 | 126 |
| 5 | 252 |
| 6 | 463 |
| 7 | 798 |
| 8 | 1308 |
| 9 | 2058 |
| 10 | 3129 |
| 11 | 4620 |
| 12 | 6650 |
| 13 | 9360 |
| 14 | 12915 |
| 15 | 17506 |
| 16 | 23352 |
| 17 | 30702 |
| 18 | 39837 |
| 19 | 51072 |
| 20 | 64758 |
| 21 | 81284 |
| 22 | 101079 |
| 23 | 124614 |
| 24 | 152404 |
| 25 | 185010 |
| 26 | 223041 |
| 27 | 267156 |
| 28 | 318066 |
| 29 | 376536 |
| 30 | 443387 |
[1,6,21,56,126,252,463,798,1308,2058,3129,4620, 6650,9360,12915,17506,23352,30702,39837,51072, 64758,81284,101079,124614,152404,185010,223041, 267156,318066,376536,443387] |