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| n | a(n) |
|---|---|
| 0 | 0 |
| 1 | 1 |
| 2 | 323 |
| 3 | 104006 |
| 4 | 33489610 |
| 5 | 10783550415 |
| 6 | 3472269744021 |
| 7 | 1118060074024348 |
| 8 | 360011871566096036 |
| 9 | 115922704584208899245 |
| 10 | 37326750864243699460855 |
| 11 | 12019097855581887017496066 |
| 12 | 3870112182746503375934272398 |
| 13 | 1246164103746518505163818216091 |
[0,1,323,104006,33489610,10783550415, 3472269744021,1118060074024348,360011871566096036, 115922704584208899245,37326750864243699460855, 12019097855581887017496066, 3870112182746503375934272398, 1246164103746518505163818216091] |