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A308814 as a simple table
| n | a(n) |
|---|---|
| 1 | 1 |
| 2 | 3 |
| 3 | 10 |
| 4 | 69 |
| 5 | 626 |
| 6 | 7819 |
| 7 | 117650 |
| 8 | 2097673 |
| 9 | 43046803 |
| 10 | 1000010011 |
| 11 | 25937424602 |
| 12 | 743008621405 |
| 13 | 23298085122482 |
| 14 | 793714780783695 |
| 15 | 29192926025441476 |
| 16 | 1152921504875286545 |
| 17 | 48661191875666868482 |
| 18 | 2185911559749718382455 |
| 19 | 104127350297911241532842 |
| 20 | 5242880000000512000168021 |
[1,3,10,69,626,7819,117650,2097673,43046803, 1000010011,25937424602,743008621405, 23298085122482,793714780783695,29192926025441476, 1152921504875286545,48661191875666868482, 2185911559749718382455,104127350297911241532842, 5242880000000512000168021] |