n | a(n) |
---|---|
1 | 4 |
2 | 16 |
3 | 49 |
4 | 132 |
5 | 341 |
6 | 836 |
7 | 1934 |
8 | 4232 |
9 | 8804 |
10 | 17501 |
11 | 33392 |
12 | 61393 |
13 | 109141 |
14 | 188181 |
15 | 315546 |
16 | 515823 |
17 | 823812 |
18 | 1287900 |
19 | 1974288 |
20 | 2972226 |
21 | 4400429 |
22 | 6414866 |
23 | 9218134 |
24 | 13070650 |
25 | 18303916 |
26 | 25336135 |
27 | 34690480 |
28 | 47016343 |
29 | 63113917 |
30 | 83962491 |
[4,16,49,132,341,836,1934,4232,8804,17501,33392, 61393,109141,188181,315546,515823,823812,1287900, 1974288,2972226,4400429,6414866,9218134,13070650, 18303916,25336135,34690480,47016343,63113917, 83962491] |