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Reminder: The OEIS is hiring a new managing editor, and the application deadline is January 26.
| n | a(n) |
|---|---|
| 1 | 2 |
| 2 | 7 |
| 3 | 13 |
| 4 | 29 |
| 5 | 69 |
| 6 | 137 |
| 7 | 301 |
| 8 | 705 |
| 9 | 1461 |
| 10 | 3193 |
| 11 | 7373 |
| 12 | 15729 |
| 13 | 34405 |
| 14 | 78569 |
| 15 | 170813 |
| 16 | 374945 |
| 17 | 849493 |
| 18 | 1868953 |
| 19 | 4119725 |
| 20 | 9284817 |
| 21 | 20576325 |
| 22 | 45534025 |
| 23 | 102285085 |
| 24 | 227659265 |
| 25 | 505431861 |
| 26 | 1133187833 |
| 27 | 2528544397 |
| 28 | 5627807793 |
| 29 | 12604474149 |
| 30 | 28165860265 |
[2,7,13,29,69,137,301,705,1461,3193,7373,15729, 34405,78569,170813,374945,849493,1868953,4119725, 9284817,20576325,45534025,102285085,227659265, 505431861,1133187833,2528544397,5627807793, 12604474149,28165860265] |