n | a(n) |
---|---|
0 | 1 |
1 | 2 |
2 | 4 |
3 | 7 |
4 | 15 |
5 | 24 |
6 | 50 |
7 | 81 |
8 | 165 |
9 | 266 |
10 | 544 |
11 | 875 |
12 | 1787 |
13 | 2876 |
14 | 5870 |
15 | 9445 |
16 | 19281 |
17 | 31022 |
18 | 63324 |
19 | 101887 |
20 | 207975 |
21 | 334624 |
22 | 683050 |
23 | 1099001 |
24 | 2243325 |
25 | 3609426 |
26 | 7367704 |
27 | 11854355 |
28 | 24197587 |
29 | 38932996 |
30 | 79471590 |
31 | 127866765 |
32 | 261006761 |
[1,2,4,7,15,24,50,81,165,266,544,875,1787,2876, 5870,9445,19281,31022,63324,101887,207975,334624, 683050,1099001,2243325,3609426,7367704,11854355, 24197587,38932996,79471590,127866765,261006761] |