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| n | a(n) |
|---|---|
| 0 | 1 |
| 1 | 3 |
| 2 | 16 |
| 3 | 38 |
| 4 | 42 |
| 5 | 139 |
| 6 | 168 |
| 7 | 385 |
| 8 | 633 |
| 9 | 942 |
| 10 | 1728 |
| 11 | 3017 |
| 12 | 3842 |
| 13 | 17453 |
| 14 | 32989 |
| 15 | 39408 |
| 16 | 177334 |
| 17 | 268130 |
| 18 | 822437 |
| 19 | 1522942 |
| 20 | 3247926 |
| 21 | 5937944 |
| 22 | 22736433 |
| 23 | 34285758 |
| 24 | 51598089 |
| 25 | 57736381 |
| 26 | 105470828 |
| 27 | 173010552 |
| 28 | 541826347 |
| 29 | 1758595979 |
| 30 | 1803356572 |
| 31 | 3331293851 |
| 32 | 3545862229 |
[1,3,16,38,42,139,168,385,633,942,1728,3017,3842, 17453,32989,39408,177334,268130,822437,1522942, 3247926,5937944,22736433,34285758,51598089, 57736381,105470828,173010552,541826347,1758595979, 1803356572,3331293851,3545862229] |