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| n | a(n) |
|---|---|
| 1 | 3 |
| 2 | 7 |
| 3 | 13 |
| 4 | 0 |
| 5 | 31 |
| 6 | 43 |
| 7 | 0 |
| 8 | 73 |
| 9 | 739 |
| 10 | 0 |
| 11 | 14653 |
| 12 | 157 |
| 13 | 0 |
| 14 | 211 |
| 15 | 241 |
| 16 | 0 |
| 17 | 307 |
| 18 | 5851 |
| 19 | 0 |
| 20 | 421 |
| 21 | 463 |
| 22 | 0 |
| 23 | 1801152661487 |
| 24 | 601 |
| 25 | 0 |
| 26 | 457003 |
| 27 | 757 |
| 28 | 0 |
| 29 | 24419 |
| 30 | 27031 |
| 31 | 0 |
| 32 | 32801 |
| 33 | 1123 |
| 34 | 0 |
| 35 | 144884079282928466796911 |
| 36 | 1679653 |
| 37 | 0 |
| 38 | 1483 |
| 39 | 59359 |
| 40 | 0 |
| 41 | 1723 |
| 42 | 74131 |
| 43 | 0 |
| 44 | 85229 |
| 45 | 8303765671 |
| 46 | 0 |
| 47 | 4879729 |
| 48 | 110641 |
| 49 | 0 |
| 50 | 2551 |
| 51 | 2334165173090503 |
[3,7,13,0,31,43,0,73,739,0,14653,157,0,211,241,0, 307,5851,0,421,463,0,1801152661487,601,0,457003, 757,0,24419,27031,0,32801,1123,0, 144884079282928466796911,1679653,0,1483,59359,0, 1723,74131,0,85229,8303765671,0,4879729,110641,0, 2551,2334165173090503] |