n | a(n) |
---|---|
10 | 1 |
11 | 1 |
12 | 6 |
13 | 24 |
14 | 81 |
15 | 238 |
16 | 617 |
17 | 1456 |
18 | 3192 |
19 | 6568 |
20 | 12821 |
21 | 23921 |
22 | 42902 |
23 | 74326 |
24 | 124878 |
25 | 204143 |
26 | 325604 |
27 | 507933 |
28 | 776532 |
29 | 1165523 |
30 | 1720164 |
31 | 2499704 |
32 | 3580966 |
33 | 5062537 |
34 | 7069701 |
35 | 9760408 |
36 | 13332198 |
37 | 18030171 |
38 | 24156438 |
39 | 32081010 |
40 | 42254089 |
41 | 55220424 |
42 | 71635678 |
43 | 92284742 |
[1,1,6,24,81,238,617,1456,3192,6568,12821,23921, 42902,74326,124878,204143,325604,507933,776532, 1165523,1720164,2499704,3580966,5062537,7069701, 9760408,13332198,18030171,24156438,32081010, 42254089,55220424,71635678,92284742] |