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| n | a(n) |
|---|---|
| 2 | 0 |
| 3 | 131 |
| 4 | 1416641 |
| 5 | 151 |
| 6 | 16361 |
| 7 | 17491 |
| 8 | 181 |
| 9 | 191 |
| 10 | 0 |
| 11 | 1111211 |
| 12 | 11214417282073624883229859841 |
| 13 | 0 |
| 14 | 11419627441 |
| 15 | 1151 |
| 16 | 1162564096655361048576167772162684354564294967296687194767361099511627776175921860444161 |
| 17 | 1171 |
| 18 | 1181 |
| 19 | 11936168591 |
| 20 | 1201 |
[0,131,1416641,151,16361,17491,181,191,0,1111211, 11214417282073624883229859841,0,11419627441,1151, 11625640966553610485761677721626843545642949672966\ 87194767361099511627776175921860444161,1171,1181, 11936168591,1201] |