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| n | a(n) |
|---|---|
| 1 | 1 |
| 2 | 128 |
| 3 | 1094 |
| 4 | 8256 |
| 5 | 19532 |
| 6 | 140032 |
| 7 | 137258 |
| 8 | 528448 |
| 9 | 797891 |
| 10 | 2500096 |
| 11 | 1948718 |
| 12 | 9032064 |
| 13 | 5229044 |
| 14 | 17569024 |
| 15 | 21368008 |
| 16 | 33820736 |
| 17 | 25646168 |
| 18 | 102130048 |
| 19 | 49659542 |
| 20 | 161256192 |
| 21 | 150160252 |
| 22 | 249435904 |
| 23 | 154764794 |
| 24 | 578122112 |
| 25 | 305191407 |
| 26 | 669317632 |
| 27 | 581662904 |
| 28 | 1133202048 |
[1,128,1094,8256,19532,140032,137258,528448, 797891,2500096,1948718,9032064,5229044,17569024, 21368008,33820736,25646168,102130048,49659542, 161256192,150160252,249435904,154764794,578122112, 305191407,669317632,581662904,1133202048] |