n | a(n) |
---|---|
0 | 1 |
1 | 1 |
2 | 2 |
3 | 3 |
4 | 8 |
5 | 19 |
6 | 59 |
7 | 160 |
8 | 540 |
9 | 1623 |
10 | 5782 |
11 | 18621 |
12 | 69373 |
13 | 235874 |
14 | 905452 |
15 | 3204843 |
16 | 12614718 |
17 | 46142381 |
18 | 185206756 |
19 | 695627226 |
20 | 2838006420 |
21 | 10897855854 |
22 | 45068748877 |
23 | 176317050793 |
24 | 737653565662 |
25 | 2932209752379 |
26 | 12390079057651 |
27 | 49934682230051 |
28 | 212833823146874 |
29 | 868150513527291 |
30 | 3728495506882947 |
[1,1,2,3,8,19,59,160,540,1623,5782,18621,69373, 235874,905452,3204843,12614718,46142381,185206756, 695627226,2838006420,10897855854,45068748877, 176317050793,737653565662,2932209752379, 12390079057651,49934682230051,212833823146874, 868150513527291,3728495506882947] |