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| n | a(n) |
|---|---|
| 0 | 8 |
| 1 | 32768 |
| 2 | 134217728 |
| 3 | 549755813888 |
| 4 | 2251799813685248 |
| 5 | 9223372036854775808 |
| 6 | 37778931862957161709568 |
| 7 | 154742504910672534362390528 |
| 8 | 633825300114114700748351602688 |
| 9 | 2596148429267413814265248164610048 |
| 10 | 10633823966279326983230456482242756608 |
[8,32768,134217728,549755813888,2251799813685248, 9223372036854775808,37778931862957161709568, 154742504910672534362390528, 633825300114114700748351602688, 2596148429267413814265248164610048, 10633823966279326983230456482242756608] |