n | a(n) |
---|---|
0 | 2 |
1 | 11 |
2 | 36 |
3 | 141 |
4 | 646 |
5 | 3151 |
6 | 15656 |
7 | 78161 |
8 | 390666 |
9 | 1953171 |
10 | 9765676 |
11 | 48828181 |
12 | 244140686 |
13 | 1220703191 |
14 | 6103515696 |
15 | 30517578201 |
16 | 152587890706 |
17 | 762939453211 |
18 | 3814697265716 |
19 | 19073486328221 |
20 | 95367431640726 |
21 | 476837158203231 |
22 | 2384185791015736 |
23 | 11920928955078241 |
24 | 59604644775390746 |
[2,11,36,141,646,3151,15656,78161,390666,1953171, 9765676,48828181,244140686,1220703191,6103515696, 30517578201,152587890706,762939453211, 3814697265716,19073486328221,95367431640726, 476837158203231,2384185791015736, 11920928955078241,59604644775390746] |