n | a(n) |
---|---|
0 | 1 |
1 | 1 |
2 | 1 |
3 | 2 |
4 | 3 |
5 | 4 |
6 | 19 |
7 | 55 |
8 | 125 |
9 | 245 |
10 | 434 |
11 | 4060 |
12 | 21186 |
13 | 81212 |
14 | 254813 |
15 | 692678 |
16 | 1688555 |
17 | 3776432 |
18 | 60101767 |
19 | 511650887 |
20 | 3089821383 |
21 | 14824989723 |
22 | 60057570858 |
23 | 213302293918 |
24 | 681247718668 |
25 | 1992449334436 |
26 | 5409214694961 |
27 | 132273848506202 |
28 | 1692162553490943 |
[1,1,1,2,3,4,19,55,125,245,434,4060,21186,81212, 254813,692678,1688555,3776432,60101767,511650887, 3089821383,14824989723,60057570858,213302293918, 681247718668,1992449334436,5409214694961, 132273848506202,1692162553490943] |