n | a(n) |
---|---|
0 | 20 |
1 | 21 |
2 | 167 |
3 | 355 |
4 | 522 |
5 | 877 |
6 | 1399 |
7 | 19064 |
8 | 58591 |
9 | 136246 |
10 | 331083 |
11 | 1791661 |
12 | 2122744 |
13 | 3914405 |
14 | 17780364 |
15 | 181718045 |
16 | 744652544 |
17 | 926370589 |
18 | 1671023133 |
19 | 9281486254 |
20 | 20233995641 |
21 | 49749477536 |
22 | 169482428249 |
[20,21,167,355,522,877,1399,19064,58591,136246, 331083,1791661,2122744,3914405,17780364,181718045, 744652544,926370589,1671023133,9281486254, 20233995641,49749477536,169482428249] |