n | a(n) |
---|---|
1 | 2315 |
2 | 80312 |
3 | 901668 |
4 | 20310714 |
5 | 82235688 |
6 | 473087190 |
7 | 1304210412 |
8 | 4298697186 |
9 | 20654701756 |
10 | 44762490420 |
11 | 122444491244 |
12 | 289686151014 |
13 | 466572884988 |
14 | 778441731570 |
15 | 1681334260300 |
16 | 3663362624656 |
17 | 5631394320840 |
18 | 9203454441344 |
19 | 15155831763714 |
20 | 20142518677488 |
[2315,80312,901668,20310714,82235688,473087190, 1304210412,4298697186,20654701756,44762490420, 122444491244,289686151014,466572884988, 778441731570,1681334260300,3663362624656, 5631394320840,9203454441344,15155831763714, 20142518677488] |