n | a(n) |
---|---|
4 | 1 |
5 | 5 |
6 | 24 |
7 | 84 |
8 | 251 |
9 | 653 |
10 | 1543 |
11 | 3341 |
12 | 6763 |
13 | 12879 |
14 | 23446 |
15 | 40883 |
16 | 68757 |
17 | 111976 |
18 | 177358 |
19 | 273926 |
20 | 413784 |
21 | 612430 |
22 | 889959 |
23 | 1271709 |
24 | 1789841 |
25 | 2483779 |
26 | 3402623 |
27 | 4605954 |
28 | 6166614 |
29 | 8171174 |
30 | 10724604 |
31 | 13950011 |
32 | 17994136 |
33 | 23029141 |
34 | 29255902 |
35 | 36908235 |
36 | 46257694 |
37 | 57616522 |
38 | 71344257 |
39 | 87853381 |
40 | 107612397 |
[1,5,24,84,251,653,1543,3341,6763,12879,23446, 40883,68757,111976,177358,273926,413784,612430, 889959,1271709,1789841,2483779,3402623,4605954, 6166614,8171174,10724604,13950011,17994136, 23029141,29255902,36908235,46257694,57616522, 71344257,87853381,107612397] |