n | a(n) |
---|---|
0 | 1 |
1 | 2 |
2 | 11 |
3 | 52 |
4 | 269 |
5 | 1380 |
6 | 7333 |
7 | 37772 |
8 | 203145 |
9 | 1044234 |
10 | 5643127 |
11 | 28956878 |
12 | 156801451 |
13 | 803721390 |
14 | 4356085375 |
15 | 22313412784 |
16 | 120988175101 |
17 | 619498949770 |
18 | 3359774186871 |
19 | 17198982565682 |
20 | 93286822081343 |
21 | 477471877247444 |
22 | 2589948726805741 |
23 | 13254933617607980 |
[1,2,11,52,269,1380,7333,37772,203145,1044234, 5643127,28956878,156801451,803721390,4356085375, 22313412784,120988175101,619498949770, 3359774186871,17198982565682,93286822081343, 477471877247444,2589948726805741, 13254933617607980] |