The OEIS is supported by the many generous donors to the OEIS Foundation.
| n | a(n) |
|---|---|
| 0 | 0 |
| 1 | 6 |
| 2 | 18 |
| 3 | 36 |
| 4 | 60 |
| 5 | 90 |
| 6 | 126 |
| 7 | 168 |
| 8 | 216 |
| 9 | 270 |
| 10 | 330 |
| 11 | 396 |
| 12 | 468 |
| 13 | 546 |
| 14 | 630 |
| 15 | 720 |
| 16 | 816 |
| 17 | 918 |
| 18 | 1026 |
| 19 | 1140 |
| 20 | 1260 |
| 21 | 1386 |
| 22 | 1518 |
| 23 | 1656 |
| 24 | 1800 |
| 25 | 1950 |
| 26 | 2106 |
| 27 | 2268 |
| 28 | 2436 |
| 29 | 2610 |
| 30 | 2790 |
| 31 | 2976 |
| 32 | 3168 |
| 33 | 3366 |
| 34 | 3570 |
| 35 | 3780 |
| 36 | 3996 |
| 37 | 4218 |
| 38 | 4446 |
| 39 | 4680 |
| 40 | 4920 |
| 41 | 5166 |
| 42 | 5418 |
| 43 | 5676 |
[0,6,18,36,60,90,126,168,216,270,330,396,468,546, 630,720,816,918,1026,1140,1260,1386,1518,1656, 1800,1950,2106,2268,2436,2610,2790,2976,3168,3366, 3570,3780,3996,4218,4446,4680,4920,5166,5418,5676] |