n | a(n) |
---|---|
0 | 1 |
1 | 7 |
2 | 49 |
3 | 308 |
4 | 1946 |
5 | 12152 |
6 | 75992 |
7 | 474566 |
8 | 2964416 |
9 | 18514405 |
10 | 115637431 |
11 | 722234149 |
12 | 4510869636 |
13 | 28173535572 |
14 | 175963587528 |
15 | 1099016234232 |
16 | 6864129384252 |
17 | 42871313869692 |
18 | 267761500599901 |
19 | 1672358840069239 |
20 | 10445056851917149 |
21 | 65236724277810632 |
22 | 407449213173792062 |
23 | 2544806826734163992 |
24 | 15894107968042546424 |
25 | 99269879914558590146 |
[1,7,49,308,1946,12152,75992,474566,2964416, 18514405,115637431,722234149,4510869636, 28173535572,175963587528,1099016234232, 6864129384252,42871313869692,267761500599901, 1672358840069239,10445056851917149, 65236724277810632,407449213173792062, 2544806826734163992,15894107968042546424, 99269879914558590146] |