n | a(n) |
---|---|
1 | 4 |
2 | 21 |
3 | 75 |
4 | 189 |
5 | 495 |
6 | 897 |
7 | 1683 |
8 | 2565 |
9 | 4071 |
10 | 6641 |
11 | 8959 |
12 | 13209 |
13 | 17835 |
14 | 22317 |
15 | 28623 |
16 | 37577 |
17 | 48439 |
18 | 57401 |
19 | 71623 |
20 | 85697 |
21 | 98623 |
22 | 118737 |
23 | 138195 |
24 | 163493 |
25 | 196231 |
26 | 224321 |
27 | 249775 |
28 | 281945 |
29 | 310759 |
30 | 347249 |
31 | 420751 |
32 | 467801 |
33 | 525943 |
34 | 571985 |
35 | 656047 |
[4,21,75,189,495,897,1683,2565,4071,6641,8959, 13209,17835,22317,28623,37577,48439,57401,71623, 85697,98623,118737,138195,163493,196231,224321, 249775,281945,310759,347249,420751,467801,525943, 571985,656047] |