n | a(n) |
---|---|
0 | 0 |
1 | 0 |
2 | 0 |
3 | 1 |
4 | 1 |
5 | 2 |
6 | 2 |
7 | 3 |
8 | 3 |
9 | 4 |
10 | 4 |
11 | 5 |
12 | 6 |
13 | 8 |
14 | 9 |
15 | 11 |
16 | 12 |
17 | 15 |
18 | 18 |
19 | 22 |
20 | 26 |
21 | 31 |
22 | 37 |
23 | 46 |
24 | 54 |
25 | 66 |
26 | 79 |
27 | 97 |
28 | 117 |
29 | 141 |
30 | 172 |
31 | 209 |
32 | 257 |
33 | 309 |
34 | 376 |
35 | 457 |
36 | 564 |
37 | 687 |
38 | 842 |
39 | 1028 |
40 | 1266 |
41 | 1549 |
42 | 1900 |
43 | 2327 |
44 | 2861 |
45 | 3512 |
46 | 4323 |
47 | 5320 |
48 | 6542 |
49 | 8072 |
50 | 9936 |
51 | 12251 |
52 | 15104 |
53 | 18640 |
54 | 23000 |
55 | 28428 |
[0,0,0,1,1,2,2,3,3,4,4,5,6,8,9,11,12,15,18,22,26, 31,37,46,54,66,79,97,117,141,172,209,257,309,376, 457,564,687,842,1028,1266,1549,1900,2327,2861, 3512,4323,5320,6542,8072,9936,12251,15104,18640, 23000,28428] |