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| n | a(n) |
|---|---|
| 1 | 1 |
| 2 | 2 |
| 3 | 1 |
| 4 | 15 |
| 5 | 28 |
| 6 | 18 |
| 7 | 4 |
| 8 | 683 |
| 9 | 1278 |
| 10 | 933 |
| 11 | 316 |
| 12 | 42 |
| 13 | 62038 |
| 14 | 117440 |
| 15 | 92680 |
| 16 | 38240 |
| 17 | 8272 |
| 18 | 752 |
| 19 | 9342629 |
| 20 | 17880090 |
| 21 | 14855385 |
| 22 | 6881640 |
| 23 | 1880340 |
| 24 | 288048 |
| 25 | 19360 |
| 26 | 2100483216 |
| 27 | 4054752672 |
| 28 | 3490688496 |
| 29 | 1743156480 |
| 30 | 547098240 |
| 31 | 108228192 |
| 32 | 12523584 |
| 33 | 654912 |
| 34 | 658746323647 |
| 35 | 1279910119670 |
| 36 | 1130161189549 |
| 37 | 594323331364 |
| 38 | 204256939502 |
| 39 | 47125635760 |
| 40 | 7147508032 |
| 41 | 652959872 |
| 42 | 27546736 |
| 43 | 274730459045232 |
| 44 | 536368375356928 |
| 45 | 482514140459520 |
| 46 | 263340552849920 |
| 47 | 96404466197760 |
| 48 | 24628940050176 |
| 49 | 4404380994048 |
| 50 | 533057051648 |
| 51 | 39701769216 |
| 52 | 1388207872 |
[1,2,1,15,28,18,4,683,1278,933,316,42,62038, 117440,92680,38240,8272,752,9342629,17880090, 14855385,6881640,1880340,288048,19360,2100483216, 4054752672,3490688496,1743156480,547098240, 108228192,12523584,654912,658746323647, 1279910119670,1130161189549,594323331364, 204256939502,47125635760,7147508032,652959872, 27546736,274730459045232,536368375356928, 482514140459520,263340552849920,96404466197760, 24628940050176,4404380994048,533057051648, 39701769216,1388207872] |