n | a(n) |
---|---|
1 | 0 |
2 | 4 |
3 | 22 |
4 | 70 |
5 | 170 |
6 | 350 |
7 | 644 |
8 | 1092 |
9 | 1740 |
10 | 2640 |
11 | 3850 |
12 | 5434 |
13 | 7462 |
14 | 10010 |
15 | 13160 |
16 | 17000 |
17 | 21624 |
18 | 27132 |
19 | 33630 |
20 | 41230 |
21 | 50050 |
22 | 60214 |
23 | 71852 |
24 | 85100 |
25 | 100100 |
26 | 117000 |
27 | 135954 |
28 | 157122 |
29 | 180670 |
30 | 206770 |
31 | 235600 |
32 | 267344 |
33 | 302192 |
34 | 340340 |
35 | 381990 |
36 | 427350 |
37 | 476634 |
[0,4,22,70,170,350,644,1092,1740,2640,3850,5434, 7462,10010,13160,17000,21624,27132,33630,41230, 50050,60214,71852,85100,100100,117000,135954, 157122,180670,206770,235600,267344,302192,340340, 381990,427350,476634] |