n | a(n) |
---|---|
1 | 1 |
2 | 10 |
3 | 55 |
4 | 220 |
5 | 715 |
6 | 2002 |
7 | 5005 |
8 | 11440 |
9 | 24310 |
10 | 48619 |
11 | 92359 |
12 | 167815 |
13 | 293215 |
14 | 494725 |
15 | 808753 |
16 | 1284481 |
17 | 1986490 |
18 | 2997280 |
19 | 4419415 |
20 | 6376951 |
21 | 9015769 |
22 | 12502435 |
23 | 17021245 |
24 | 22769185 |
25 | 29948644 |
26 | 38757862 |
27 | 49379275 |
28 | 61966135 |
29 | 76628035 |
30 | 93416221 |
31 | 112309741 |
32 | 133203565 |
33 | 155899810 |
34 | 180103120 |
[1,10,55,220,715,2002,5005,11440,24310,48619, 92359,167815,293215,494725,808753,1284481,1986490, 2997280,4419415,6376951,9015769,12502435,17021245, 22769185,29948644,38757862,49379275,61966135, 76628035,93416221,112309741,133203565,155899810, 180103120] |