n | a(n) |
---|---|
0 | 0 |
1 | 1 |
2 | 15 |
3 | 66 |
4 | 190 |
5 | 435 |
6 | 861 |
7 | 1540 |
8 | 2556 |
9 | 4005 |
10 | 5995 |
11 | 8646 |
12 | 12090 |
13 | 16471 |
14 | 21945 |
15 | 28680 |
16 | 36856 |
17 | 46665 |
18 | 58311 |
19 | 72010 |
20 | 87990 |
21 | 106491 |
22 | 127765 |
23 | 152076 |
24 | 179700 |
25 | 210925 |
26 | 246051 |
27 | 285390 |
28 | 329266 |
29 | 378015 |
30 | 431985 |
31 | 491536 |
32 | 557040 |
33 | 628881 |
34 | 707455 |
35 | 793170 |
36 | 886446 |
37 | 987715 |
[0,1,15,66,190,435,861,1540,2556,4005,5995,8646, 12090,16471,21945,28680,36856,46665,58311,72010, 87990,106491,127765,152076,179700,210925,246051, 285390,329266,378015,431985,491536,557040,628881, 707455,793170,886446,987715] |