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Reminder: The OEIS is hiring a new managing editor, and the application deadline is January 26.
Reminder: The OEIS is hiring a new managing editor, and the application deadline is January 26.
| n | a(n) |
|---|---|
| 0 | 1 |
| 1 | 0 |
| 2 | 1 |
| 3 | 3 |
| 4 | 6 |
| 5 | 10 |
| 6 | 16 |
| 7 | 30 |
| 8 | 73 |
| 9 | 201 |
| 10 | 540 |
| 11 | 1342 |
| 12 | 3069 |
| 13 | 6513 |
| 14 | 12962 |
| 15 | 24436 |
| 16 | 44109 |
| 17 | 77489 |
| 18 | 136749 |
| 19 | 256791 |
| 20 | 550190 |
| 21 | 1378554 |
| 22 | 3843807 |
| 23 | 11096833 |
| 24 | 31607566 |
| 25 | 86892690 |
| 26 | 228901270 |
| 27 | 577458936 |
| 28 | 1397828943 |
| 29 | 3255832291 |
| 30 | 7318390846 |
| 31 | 15919253376 |
[1,0,1,3,6,10,16,30,73,201,540,1342,3069,6513, 12962,24436,44109,77489,136749,256791,550190, 1378554,3843807,11096833,31607566,86892690, 228901270,577458936,1397828943,3255832291, 7318390846,15919253376] |