n | a(n) |
---|---|
1 | 2 |
2 | 15 |
3 | 87 |
4 | 371 |
5 | 1185 |
6 | 3186 |
7 | 7425 |
8 | 15658 |
9 | 30368 |
10 | 55222 |
11 | 95087 |
12 | 156612 |
13 | 248194 |
14 | 380753 |
15 | 567639 |
16 | 825586 |
17 | 1174510 |
18 | 1638724 |
19 | 2246594 |
20 | 3032025 |
21 | 4033918 |
22 | 5298001 |
23 | 6876080 |
24 | 8828154 |
25 | 11221516 |
26 | 14133153 |
27 | 17648642 |
28 | 21864897 |
29 | 26888831 |
30 | 32840460 |
31 | 39851308 |
[2,15,87,371,1185,3186,7425,15658,30368,55222, 95087,156612,248194,380753,567639,825586,1174510, 1638724,2246594,3032025,4033918,5298001,6876080, 8828154,11221516,14133153,17648642,21864897, 26888831,32840460,39851308] |