The OEIS is supported by the many generous donors to the OEIS Foundation.
| n | a(n) |
|---|---|
| 1 | 16 |
| 2 | 472 |
| 3 | 5315 |
| 4 | 74240 |
| 5 | 1053407 |
| 6 | 14783996 |
| 7 | 208837689 |
| 8 | 2957076233 |
| 9 | 41858516870 |
| 10 | 592613243866 |
| 11 | 8391340287448 |
| 12 | 118822398972413 |
| 13 | 1682542909654853 |
| 14 | 23825260918169832 |
| 15 | 337373051971008551 |
| 16 | 4777307698597486508 |
[16,472,5315,74240,1053407,14783996,208837689, 2957076233,41858516870,592613243866,8391340287448, 118822398972413,1682542909654853, 23825260918169832,337373051971008551, 4777307698597486508] |