n | a(n) |
---|---|
1 | 1 |
2 | 1 |
3 | 2 |
4 | 4 |
5 | 9 |
6 | 18 |
7 | 42 |
8 | 91 |
9 | 208 |
10 | 470 |
11 | 1089 |
12 | 2509 |
13 | 5869 |
14 | 13730 |
15 | 32371 |
16 | 76510 |
17 | 181708 |
18 | 432635 |
19 | 1033656 |
20 | 2475384 |
21 | 5943395 |
22 | 14299532 |
23 | 34475030 |
24 | 83263872 |
25 | 201441431 |
26 | 488092897 |
27 | 1184353643 |
28 | 2877611984 |
29 | 7000359244 |
30 | 17049288304 |
31 | 41568056484 |
32 | 101449503960 |
33 | 247828380511 |
[1,1,2,4,9,18,42,91,208,470,1089,2509,5869,13730, 32371,76510,181708,432635,1033656,2475384,5943395, 14299532,34475030,83263872,201441431,488092897, 1184353643,2877611984,7000359244,17049288304, 41568056484,101449503960,247828380511] |