The OEIS is supported by the many generous donors to the OEIS Foundation.
| n | a(n) |
|---|---|
| 0 | 2 |
| 1 | 8 |
| 2 | 48 |
| 3 | 30 |
| 4 | 114 |
| 5 | 264 |
| 6 | 390 |
| 7 | 630 |
| 8 | 1080 |
| 9 | 660 |
| 10 | 1470 |
| 11 | 2046 |
| 12 | 2730 |
| 13 | 1680 |
| 14 | 2310 |
| 15 | 4530 |
| 16 | 1650 |
| 17 | 2760 |
| 18 | 1290 |
| 19 | 4170 |
| 20 | 3150 |
| 21 | 4590 |
| 22 | 4440 |
| 23 | 8610 |
| 24 | 7800 |
| 25 | 6090 |
| 26 | 7950 |
| 27 | 5040 |
| 28 | 7560 |
| 29 | 11550 |
| 30 | 9690 |
| 31 | 10530 |
| 32 | 12180 |
| 33 | 14280 |
| 34 | 11520 |
| 35 | 10920 |
| 36 | 19980 |
| 37 | 12810 |
| 38 | 12210 |
| 39 | 18270 |
| 40 | 12390 |
| 41 | 13230 |
| 42 | 17460 |
| 43 | 15990 |
| 44 | 23070 |
| 45 | 14490 |
| 46 | 14880 |
| 47 | 24540 |
| 48 | 16830 |
[2,8,48,30,114,264,390,630,1080,660,1470,2046, 2730,1680,2310,4530,1650,2760,1290,4170,3150,4590, 4440,8610,7800,6090,7950,5040,7560,11550,9690, 10530,12180,14280,11520,10920,19980,12810,12210, 18270,12390,13230,17460,15990,23070,14490,14880, 24540,16830] |