n | a(n) |
---|---|
1 | 1 |
2 | 12 |
3 | 22 |
4 | 81 |
5 | 307 |
6 | 1201 |
7 | 5066 |
8 | 21292 |
9 | 90443 |
10 | 387999 |
11 | 1664166 |
12 | 7150000 |
13 | 30748156 |
14 | 132241210 |
15 | 568885960 |
16 | 2447521291 |
17 | 10530203290 |
18 | 45306613634 |
19 | 194935607759 |
20 | 838730766281 |
21 | 3608741827447 |
22 | 15527073831286 |
23 | 66807269901814 |
[1,12,22,81,307,1201,5066,21292,90443,387999, 1664166,7150000,30748156,132241210,568885960, 2447521291,10530203290,45306613634,194935607759, 838730766281,3608741827447,15527073831286, 66807269901814] |