The OEIS is supported by the many generous donors to the OEIS Foundation.
| n | a(n) |
|---|---|
| 0 | 1334961 |
| 1 | 16019531 |
| 2 | 206918942 |
| 3 | 2864826126 |
| 4 | 42351635064 |
| 5 | 666166856520 |
| 6 | 11113078385520 |
| 7 | 196038409800240 |
| 8 | 3646938237505920 |
| 9 | 71370457471716480 |
| 10 | 1465957162768492800 |
| 11 | 31537353006189676800 |
| 12 | 709233590351909145600 |
| 13 | 16643157932371543372800 |
| 14 | 406858911634713765427200 |
[1334961,16019531,206918942,2864826126, 42351635064,666166856520,11113078385520, 196038409800240,3646938237505920, 71370457471716480,1465957162768492800, 31537353006189676800,709233590351909145600, 16643157932371543372800,406858911634713765427200] |