n | a(n) |
---|---|
0 | 1 |
1 | 5 |
2 | 20 |
3 | 70 |
4 | 165 |
5 | 357 |
6 | 688 |
7 | 1154 |
8 | 1867 |
9 | 2907 |
10 | 4272 |
11 | 6070 |
12 | 8357 |
13 | 11307 |
14 | 14998 |
15 | 19470 |
16 | 24809 |
17 | 31211 |
18 | 38928 |
19 | 47816 |
20 | 58201 |
21 | 70361 |
22 | 83962 |
23 | 99648 |
24 | 117519 |
25 | 137521 |
26 | 160270 |
27 | 185528 |
28 | 213615 |
29 | 244649 |
30 | 279370 |
31 | 317006 |
32 | 358809 |
33 | 404823 |
34 | 454838 |
35 | 509486 |
36 | 568493 |
[1,5,20,70,165,357,688,1154,1867,2907,4272,6070, 8357,11307,14998,19470,24809,31211,38928,47816, 58201,70361,83962,99648,117519,137521,160270, 185528,213615,244649,279370,317006,358809,404823, 454838,509486,568493] |