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| n | a(n) |
|---|---|
| 1 | 0 |
| 2 | 0 |
| 3 | 1 |
| 4 | 3 |
| 5 | 5 |
| 6 | 19 |
| 7 | 19 |
| 8 | 17 |
| 9 | 89 |
| 10 | 673 |
| 11 | 47 |
| 12 | 979 |
| 13 | 1297 |
| 14 | 4883 |
| 15 | 1771 |
| 16 | 79613 |
| 17 | 31 |
| 18 | 393959 |
| 19 | 2033 |
| 20 | 85639 |
| 21 | 116551 |
| 22 | 616181 |
| 23 | 4111 |
| 24 | 16637083 |
| 25 | 727403 |
| 26 | 13117673 |
| 27 | 72631 |
| 28 | 122771983 |
| 29 | 194803 |
| 30 | 31691158757 |
| 31 | 491951 |
| 32 | 124085749 |
| 33 | 9079549 |
| 34 | 114103102711 |
| 35 | 92671 |
| 36 | 743246297281 |
| 37 | 213649 |
| 38 | 197986199 |
| 39 | 972486919 |
| 40 | 144015774883 |
[0,0,1,3,5,19,19,17,89,673,47,979,1297,4883,1771, 79613,31,393959,2033,85639,116551,616181,4111, 16637083,727403,13117673,72631,122771983,194803, 31691158757,491951,124085749,9079549,114103102711, 92671,743246297281,213649,197986199,972486919, 144015774883] |