n | a(n) |
---|---|
0 | 1 |
1 | 1 |
2 | 2 |
3 | 4 |
4 | 7 |
5 | 16 |
6 | 27 |
7 | 65 |
8 | 108 |
9 | 267 |
10 | 440 |
11 | 1105 |
12 | 1812 |
13 | 4597 |
14 | 7514 |
15 | 19196 |
16 | 31307 |
17 | 80380 |
18 | 130883 |
19 | 337284 |
20 | 548547 |
21 | 1417582 |
22 | 2303413 |
23 | 5965622 |
24 | 9686617 |
25 | 25130844 |
26 | 40783083 |
27 | 105954110 |
28 | 171868037 |
29 | 447015744 |
30 | 724837891 |
31 | 1886996681 |
[1,1,2,4,7,16,27,65,108,267,440,1105,1812,4597, 7514,19196,31307,80380,130883,337284,548547, 1417582,2303413,5965622,9686617,25130844,40783083, 105954110,171868037,447015744,724837891, 1886996681] |