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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 | 1 |
| 2 | 3 |
| 3 | 5 |
| 4 | 19 |
| 5 | 39 |
| 6 | 155 |
| 7 | 369 |
| 8 | 1471 |
| 9 | 3959 |
| 10 | 15459 |
| 11 | 46051 |
| 12 | 176267 |
| 13 | 564455 |
| 14 | 2143697 |
| 15 | 7174755 |
| 16 | 27365581 |
| 17 | 93807603 |
| 18 | 361787869 |
| 19 | 1257350451 |
| 20 | 4906289837 |
| 21 | 17245735483 |
| 22 | 67874546817 |
| 23 | 241532985195 |
| 24 | 955342193025 |
| 25 | 3443976880047 |
| 26 | 13661167986099 |
| 27 | 49837635543435 |
| 28 | 198197145797185 |
| 29 | 730015639922845 |
| 30 | 2912352174731047 |
[1,1,3,5,19,39,155,369,1471,3959,15459,46051, 176267,564455,2143697,7174755,27365581,93807603, 361787869,1257350451,4906289837,17245735483, 67874546817,241532985195,955342193025, 3443976880047,13661167986099,49837635543435, 198197145797185,730015639922845,2912352174731047] |