n | a(n) |
---|---|
1 | 3 |
2 | 7 |
3 | 13 |
4 | 31 |
5 | 69 |
6 | 190 |
7 | 444 |
8 | 1052 |
9 | 2702 |
10 | 6455 |
11 | 15928 |
12 | 40073 |
13 | 100370 |
14 | 251707 |
15 | 637321 |
16 | 1617175 |
17 | 4124448 |
18 | 10553415 |
19 | 27066978 |
20 | 69709680 |
21 | 179992909 |
22 | 465769803 |
23 | 1208198532 |
24 | 3140421716 |
25 | 8179002120 |
26 | 21338685408 |
27 | 55762149030 |
28 | 145935689361 |
29 | 382465573486 |
30 | 1003652347100 |
[3,7,13,31,69,190,444,1052,2702,6455,15928,40073, 100370,251707,637321,1617175,4124448,10553415, 27066978,69709680,179992909,465769803,1208198532, 3140421716,8179002120,21338685408,55762149030, 145935689361,382465573486,1003652347100] |