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Reminder: The OEIS is hiring a new managing editor, and the application deadline is January 26.
| n | a(n) |
|---|---|
| 1 | 1 |
| 2 | 49 |
| 3 | 53 |
| 4 | 115 |
| 5 | 271 |
| 6 | 538 |
| 7 | 1476 |
| 8 | 3001 |
| 9 | 8018 |
| 10 | 19631 |
| 11 | 49142 |
| 12 | 121150 |
| 13 | 301994 |
| 14 | 755291 |
| 15 | 1883016 |
| 16 | 4721904 |
| 17 | 11811102 |
| 18 | 29624570 |
| 19 | 74283952 |
| 20 | 186275585 |
| 21 | 467396085 |
| 22 | 1172634363 |
| 23 | 2942953196 |
| 24 | 7385641030 |
| 25 | 18537581048 |
| 26 | 46532964358 |
| 27 | 116809764471 |
[1,49,53,115,271,538,1476,3001,8018,19631,49142, 121150,301994,755291,1883016,4721904,11811102, 29624570,74283952,186275585,467396085,1172634363, 2942953196,7385641030,18537581048,46532964358, 116809764471] |