n | a(n) |
---|---|
1 | 0 |
2 | 1 |
3 | 3 |
4 | 6 |
5 | 13 |
6 | 20 |
7 | 43 |
8 | 62 |
9 | 113 |
10 | 224 |
11 | 367 |
12 | 494 |
13 | 833 |
14 | 1815 |
15 | 3379 |
16 | 5551 |
17 | 9169 |
18 | 17864 |
19 | 32978 |
20 | 58964 |
21 | 106218 |
22 | 131313 |
23 | 155719 |
24 | 180118 |
25 | 591890 |
26 | 881467 |
27 | 1345004 |
28 | 3012446 |
29 | 5728819 |
30 | 9309579 |
31 | 17512700 |
32 | 25641318 |
33 | 52978675 |
34 | 61998980 |
35 | 125130665 |
36 | 244636214 |
37 | 280766754 |
38 | 566273517 |
39 | 1031389697 |
40 | 2182394227 |
41 | 3045423658 |
42 | 3454917187 |
[0,1,3,6,13,20,43,62,113,224,367,494,833,1815, 3379,5551,9169,17864,32978,58964,106218,131313, 155719,180118,591890,881467,1345004,3012446, 5728819,9309579,17512700,25641318,52978675, 61998980,125130665,244636214,280766754,566273517, 1031389697,2182394227,3045423658,3454917187] |