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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 | 2 |
| 2 | 5 |
| 3 | 14 |
| 4 | 34 |
| 5 | 96 |
| 6 | 261 |
| 7 | 692 |
| 8 | 1680 |
| 9 | 4540 |
| 10 | 12540 |
| 11 | 34552 |
| 12 | 92728 |
| 13 | 251572 |
| 14 | 662340 |
| 15 | 1729628 |
| 16 | 4261528 |
| 17 | 11130160 |
| 18 | 29802200 |
| 19 | 80103640 |
| 20 | 218398544 |
| 21 | 595050400 |
| 22 | 1621285648 |
| 23 | 4411577744 |
| 24 | 11776668772 |
| 25 | 31899937136 |
| 26 | 85998657296 |
| 27 | 231056788736 |
| 28 | 607876418544 |
| 29 | 1615730650080 |
| 30 | 4228062351360 |
| 31 | 11047956392096 |
| 32 | 27736466241312 |
| 33 | 71915999814720 |
| 34 | 188591683462784 |
| 35 | 495344539985920 |
| 36 | 1321221455067520 |
| 37 | 3505058052234400 |
[1,2,5,14,34,96,261,692,1680,4540,12540,34552, 92728,251572,662340,1729628,4261528,11130160, 29802200,80103640,218398544,595050400,1621285648, 4411577744,11776668772,31899937136,85998657296, 231056788736,607876418544,1615730650080, 4228062351360,11047956392096,27736466241312, 71915999814720,188591683462784,495344539985920, 1321221455067520,3505058052234400] |