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| n | a(n) |
|---|---|
| 1 | 1 |
| 2 | 2 |
| 3 | 7 |
| 4 | 37 |
| 5 | 256 |
| 6 | 2128 |
| 7 | 20294 |
| 8 | 216213 |
| 9 | 2530522 |
| 10 | 32165101 |
| 11 | 440388103 |
| 12 | 6454695553 |
| 13 | 100786308221 |
| 14 | 1669953080587 |
| 15 | 29265149535076 |
| 16 | 540884779563305 |
| 17 | 10516595791609376 |
| 18 | 214625521232021413 |
| 19 | 4588068733776013386 |
| 20 | 102541337542692407011 |
| 21 | 2391813703854249362395 |
| 22 | 58130860852912365134992 |
| 23 | 1469860403455095402834628 |
| 24 | 38611523432412179047238389 |
[1,2,7,37,256,2128,20294,216213,2530522,32165101, 440388103,6454695553,100786308221,1669953080587, 29265149535076,540884779563305,10516595791609376, 214625521232021413,4588068733776013386, 102541337542692407011,2391813703854249362395, 58130860852912365134992,1469860403455095402834628, 38611523432412179047238389] |