n | a(n) |
---|---|
0 | 0 |
1 | 2 |
2 | 4 |
3 | 17 |
4 | 33 |
5 | 144 |
6 | 317 |
7 | 1439 |
8 | 3167 |
9 | 14144 |
10 | 31624 |
11 | 141442 |
12 | 316229 |
13 | 1414234 |
14 | 3162922 |
15 | 14142148 |
16 | 31622888 |
17 | 141422444 |
18 | 316292397 |
19 | 1414213838 |
20 | 3162353552 |
21 | 14142137977 |
22 | 31622912229 |
23 | 141421462429 |
24 | 316228884988 |
25 | 1414214626248 |
[0,2,4,17,33,144,317,1439,3167,14144,31624,141442, 316229,1414234,3162922,14142148,31622888, 141422444,316292397,1414213838,3162353552, 14142137977,31622912229,141421462429,316228884988, 1414214626248] |