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A278880 as a simple table
| n | a(n) |
|---|---|
| 1 | 1 |
| 2 | 1 |
| 3 | 1 |
| 4 | 1 |
| 5 | 5 |
| 6 | 1 |
| 7 | 1 |
| 8 | 14 |
| 9 | 14 |
| 10 | 1 |
| 11 | 1 |
| 12 | 30 |
| 13 | 81 |
| 14 | 30 |
| 15 | 1 |
| 16 | 1 |
| 17 | 55 |
| 18 | 308 |
| 19 | 308 |
| 20 | 55 |
| 21 | 1 |
| 22 | 1 |
| 23 | 91 |
| 24 | 910 |
| 25 | 1872 |
| 26 | 910 |
| 27 | 91 |
| 28 | 1 |
| 29 | 1 |
| 30 | 140 |
| 31 | 2268 |
| 32 | 8250 |
| 33 | 8250 |
| 34 | 2268 |
| 35 | 140 |
| 36 | 1 |
| 37 | 1 |
| 38 | 204 |
| 39 | 4998 |
| 40 | 29172 |
| 41 | 51425 |
| 42 | 29172 |
| 43 | 4998 |
| 44 | 204 |
| 45 | 1 |
| 46 | 1 |
| 47 | 285 |
| 48 | 10032 |
| 49 | 87780 |
| 50 | 247247 |
| 51 | 247247 |
| 52 | 87780 |
| 53 | 10032 |
| 54 | 285 |
| 55 | 1 |
| 56 | 1 |
| 57 | 385 |
| 58 | 18711 |
| 59 | 233376 |
| 60 | 980980 |
| 61 | 1565109 |
| 62 | 980980 |
| 63 | 233376 |
| 64 | 18711 |
| 65 | 385 |
| 66 | 1 |
| 67 | 1 |
| 68 | 506 |
| 69 | 32890 |
| 70 | 562419 |
| 71 | 3354780 |
| 72 | 7970144 |
| 73 | 7970144 |
| 74 | 3354780 |
| 75 | 562419 |
| 76 | 32890 |
| 77 | 506 |
| 78 | 1 |
[1,1,1,1,5,1,1,14,14,1,1,30,81,30,1,1,55,308,308, 55,1,1,91,910,1872,910,91,1,1,140,2268,8250,8250, 2268,140,1,1,204,4998,29172,51425,29172,4998,204, 1,1,285,10032,87780,247247,247247,87780,10032,285, 1,1,385,18711,233376,980980,1565109,980980,233376, 18711,385,1,1,506,32890,562419,3354780,7970144, 7970144,3354780,562419,32890,506,1] |