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A177267 as a simple table
| n | a(n) |
|---|---|
| 1 | 1 |
| 2 | 2 |
| 3 | 0 |
| 4 | 5 |
| 5 | 1 |
| 6 | 0 |
| 7 | 14 |
| 8 | 10 |
| 9 | 0 |
| 10 | 0 |
| 11 | 42 |
| 12 | 70 |
| 13 | 8 |
| 14 | 0 |
| 15 | 0 |
| 16 | 132 |
| 17 | 420 |
| 18 | 168 |
| 19 | 0 |
| 20 | 0 |
| 21 | 0 |
| 22 | 429 |
| 23 | 2310 |
| 24 | 2121 |
| 25 | 180 |
| 26 | 0 |
| 27 | 0 |
| 28 | 0 |
| 29 | 1430 |
| 30 | 12012 |
| 31 | 20790 |
| 32 | 6088 |
| 33 | 0 |
| 34 | 0 |
| 35 | 0 |
| 36 | 0 |
| 37 | 4862 |
| 38 | 60060 |
| 39 | 174174 |
| 40 | 115720 |
| 41 | 8064 |
| 42 | 0 |
| 43 | 0 |
| 44 | 0 |
| 45 | 0 |
| 46 | 16796 |
| 47 | 291720 |
| 48 | 1309308 |
| 49 | 1624480 |
| 50 | 386496 |
| 51 | 0 |
| 52 | 0 |
| 53 | 0 |
| 54 | 0 |
| 55 | 0 |
| 56 | 58786 |
| 57 | 1385670 |
| 58 | 9087078 |
| 59 | 18748730 |
| 60 | 10031736 |
| 61 | 604800 |
| 62 | 0 |
| 63 | 0 |
| 64 | 0 |
| 65 | 0 |
| 66 | 0 |
| 67 | 208012 |
| 68 | 6466460 |
| 69 | 59306676 |
| 70 | 188208020 |
| 71 | 186698512 |
| 72 | 38113920 |
| 73 | 0 |
[1,2,0,5,1,0,14,10,0,0,42,70,8,0,0,132,420,168,0, 0,0,429,2310,2121,180,0,0,0,1430,12012,20790,6088, 0,0,0,0,4862,60060,174174,115720,8064,0,0,0,0, 16796,291720,1309308,1624480,386496,0,0,0,0,0, 58786,1385670,9087078,18748730,10031736,604800,0, 0,0,0,0,208012,6466460,59306676,188208020, 186698512,38113920,0] |