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| n | a(n) |
|---|---|
| 0 | 1 |
| 1 | 4 |
| 2 | 6 |
| 3 | 16 |
| 4 | 20 |
| 5 | 48 |
| 6 | 52 |
| 7 | 123 |
| 8 | 120 |
| 9 | 292 |
| 10 | 244 |
| 11 | 658 |
| 12 | 462 |
| 13 | 1440 |
| 14 | 761 |
| 15 | 3111 |
| 16 | 1066 |
| 17 | 6696 |
| 18 | 804 |
| 19 | 14522 |
| 20 | -1607 |
| 21 | 31915 |
| 22 | -11438 |
| 23 | 71482 |
| 24 | -42420 |
| 25 | 163414 |
| 26 | -133102 |
| 27 | 381148 |
| 28 | -382217 |
| 29 | 906108 |
| 30 | -1051033 |
| 31 | 2186855 |
| 32 | -2802064 |
| 33 | 5347219 |
| 34 | -7345761 |
| 35 | 13193786 |
[1,4,6,16,20,48,52,123,120,292,244,658,462,1440, 761,3111,1066,6696,804,14522,-1607,31915,-11438, 71482,-42420,163414,-133102,381148,-382217,906108, -1051033,2186855,-2802064,5347219,-7345761, 13193786] |