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| n | a(n) |
|---|---|
| 2 | 11 |
| 3 | 29 |
| 4 | 0 |
| 5 | 419 |
| 6 | 521 |
| 7 | 0 |
| 8 | 1931 |
| 9 | 6449 |
| 10 | 0 |
| 11 | 10037 |
| 12 | 43541 |
| 13 | 0 |
| 14 | 10007 |
| 15 | 28349 |
| 16 | 0 |
| 17 | 107507 |
| 18 | 280409 |
| 19 | 0 |
| 20 | 261167 |
| 21 | 173429 |
| 22 | 0 |
| 23 | 569321 |
| 24 | 913637 |
| 25 | 0 |
| 26 | 1598447 |
| 27 | 1789091 |
| 28 | 0 |
| 29 | 1349531 |
| 30 | 5317451 |
| 31 | 0 |
| 32 | 17282051 |
| 33 | 25844561 |
| 34 | 0 |
| 35 | 10851161 |
| 36 | 28582787 |
| 37 | 0 |
| 38 | 36126917 |
| 39 | 14318657 |
| 40 | 0 |
| 41 | 60117947 |
| 42 | 42062717 |
[11,29,0,419,521,0,1931,6449,0,10037,43541,0, 10007,28349,0,107507,280409,0,261167,173429,0, 569321,913637,0,1598447,1789091,0,1349531,5317451, 0,17282051,25844561,0,10851161,28582787,0, 36126917,14318657,0,60117947,42062717] |