n | a(n) |
---|---|
0 | 0 |
1 | 1 |
2 | 2 |
3 | 5 |
4 | 12 |
5 | 37 |
6 | 118 |
7 | 457 |
8 | 1816 |
9 | 8169 |
10 | 37354 |
11 | 188685 |
12 | 974372 |
13 | 5497741 |
14 | 31769182 |
15 | 197920145 |
16 | 1259350576 |
17 | 8541537105 |
18 | 59073098706 |
19 | 432381471509 |
20 | 3226127944764 |
21 | 25340238127989 |
22 | 202778723085382 |
23 | 1699894200469849 |
[0,1,2,5,12,37,118,457,1816,8169,37354,188685, 974372,5497741,31769182,197920145,1259350576, 8541537105,59073098706,432381471509,3226127944764, 25340238127989,202778723085382,1699894200469849] |