n | a(n) |
---|---|
1 | 21 |
2 | 441 |
3 | 2499 |
4 | 8799 |
5 | 23856 |
6 | 54684 |
7 | 111426 |
8 | 208026 |
9 | 362943 |
10 | 599907 |
11 | 948717 |
12 | 1446081 |
13 | 2136498 |
14 | 3073182 |
15 | 4319028 |
16 | 5947620 |
17 | 8044281 |
18 | 10707165 |
19 | 14048391 |
20 | 18195219 |
21 | 23291268 |
22 | 29497776 |
23 | 36994902 |
24 | 45983070 |
25 | 56684355 |
26 | 69343911 |
27 | 84231441 |
[21,441,2499,8799,23856,54684,111426,208026, 362943,599907,948717,1446081,2136498,3073182, 4319028,5947620,8044281,10707165,14048391, 18195219,23291268,29497776,36994902,45983070, 56684355,69343911,84231441] |