The OEIS is supported by the many generous donors to the OEIS Foundation.
| n | a(n) |
|---|---|
| 0 | 1 |
| 1 | 14 |
| 2 | 98 |
| 3 | 462 |
| 4 | 1596 |
| 5 | 4410 |
| 6 | 10374 |
| 7 | 21658 |
| 8 | 41272 |
| 9 | 73206 |
| 10 | 122570 |
| 11 | 195734 |
| 12 | 300468 |
| 13 | 446082 |
| 14 | 643566 |
| 15 | 905730 |
| 16 | 1247344 |
| 17 | 1685278 |
| 18 | 2238642 |
| 19 | 2928926 |
| 20 | 3780140 |
| 21 | 4818954 |
| 22 | 6074838 |
| 23 | 7580202 |
| 24 | 9370536 |
| 25 | 11484550 |
| 26 | 13964314 |
| 27 | 16855398 |
| 28 | 20207012 |
| 29 | 24072146 |
| 30 | 28507710 |
| 31 | 33574674 |
| 32 | 39338208 |
| 33 | 45867822 |
[1,14,98,462,1596,4410,10374,21658,41272,73206, 122570,195734,300468,446082,643566,905730,1247344, 1685278,2238642,2928926,3780140,4818954,6074838, 7580202,9370536,11484550,13964314,16855398, 20207012,24072146,28507710,33574674,39338208, 45867822] |