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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 | 16 |
| 2 | 46 |
| 3 | 134 |
| 4 | 392 |
| 5 | 1150 |
| 6 | 3380 |
| 7 | 9948 |
| 8 | 29310 |
| 9 | 86430 |
| 10 | 255044 |
| 11 | 753040 |
| 12 | 2224514 |
| 13 | 6574100 |
| 14 | 19435570 |
| 15 | 57477542 |
| 16 | 170028792 |
| 17 | 503102142 |
| 18 | 1488974870 |
| 19 | 4407636908 |
| 20 | 13049761478 |
| 21 | 38642911632 |
| 22 | 114446028208 |
| 23 | 338991739166 |
| 24 | 1004221622462 |
[1,16,46,134,392,1150,3380,9948,29310,86430, 255044,753040,2224514,6574100,19435570,57477542, 170028792,503102142,1488974870,4407636908, 13049761478,38642911632,114446028208,338991739166, 1004221622462] |