n | a(n) |
---|---|
1 | 0 |
2 | 0 |
3 | 1 |
4 | 3 |
5 | 9 |
6 | 17 |
7 | 36 |
8 | 61 |
9 | 106 |
10 | 171 |
11 | 273 |
12 | 411 |
13 | 627 |
14 | 916 |
15 | 1326 |
16 | 1890 |
17 | 2667 |
18 | 3698 |
19 | 5102 |
20 | 6943 |
21 | 9388 |
22 | 12588 |
23 | 16747 |
24 | 22113 |
25 | 29051 |
26 | 37914 |
27 | 49191 |
28 | 63515 |
29 | 81589 |
30 | 104315 |
31 | 132799 |
32 | 168351 |
33 | 212540 |
34 | 267395 |
35 | 335085 |
36 | 418574 |
37 | 521093 |
38 | 646763 |
39 | 800164 |
40 | 987315 |
[0,0,1,3,9,17,36,61,106,171,273,411,627,916,1326, 1890,2667,3698,5102,6943,9388,12588,16747,22113, 29051,37914,49191,63515,81589,104315,132799, 168351,212540,267395,335085,418574,521093,646763, 800164,987315] |