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| n | a(n) |
|---|---|
| 1 | 0 |
| 2 | 1 |
| 3 | 2 |
| 4 | 3 |
| 5 | 4 |
| 6 | 5 |
| 7 | 6 |
| 8 | 7 |
| 9 | 8 |
| 10 | 9 |
| 11 | 48 |
| 12 | 407 |
| 13 | 5920 |
| 14 | 5921 |
| 15 | 2918379 |
| 16 | 18125436 |
| 17 | 210897052 |
| 18 | 11647261846 |
| 19 | 18107015789 |
| 20 | 27434621679 |
| 21 | 31332052290 |
| 22 | 4986706842391 |
| 23 | 485927682264092 |
| 24 | 1287253463537089 |
| 25 | 1217506990394433558 |
| 26 | 11008589751726485523 |
| 27 | 107765279704274410345 |
| 28 | 109462377410000145640 |
| 29 | 109462377410000145641 |
| 30 | 118620909850977982494 |
| 31 | 319591187568367788829 |
[0,1,2,3,4,5,6,7,8,9,48,407,5920,5921,2918379, 18125436,210897052,11647261846,18107015789, 27434621679,31332052290,4986706842391, 485927682264092,1287253463537089, 1217506990394433558,11008589751726485523, 107765279704274410345,109462377410000145640, 109462377410000145641,118620909850977982494, 319591187568367788829] |