n | a(n) |
---|---|
1 | 4 |
2 | 8 |
3 | 38 |
4 | 90 |
5 | 363 |
6 | 1163 |
7 | 3985 |
8 | 14650 |
9 | 50088 |
10 | 185178 |
11 | 665415 |
12 | 2425915 |
13 | 8953631 |
14 | 32773916 |
15 | 121530364 |
16 | 449147910 |
17 | 1665804417 |
18 | 6189859849 |
19 | 22993326811 |
20 | 85585457988 |
21 | 318520365520 |
22 | 1186296435208 |
23 | 4419902305187 |
24 | 16469639460901 |
[4,8,38,90,363,1163,3985,14650,50088,185178, 665415,2425915,8953631,32773916,121530364, 449147910,1665804417,6189859849,22993326811, 85585457988,318520365520,1186296435208, 4419902305187,16469639460901] |