n | a(n) |
---|---|
0 | 0 |
1 | 0 |
2 | 0 |
3 | 1 |
4 | 3 |
5 | 6 |
6 | 17 |
7 | 28 |
8 | 62 |
9 | 107 |
10 | 201 |
11 | 316 |
12 | 607 |
13 | 909 |
14 | 1567 |
15 | 2444 |
16 | 4025 |
17 | 5979 |
18 | 9749 |
19 | 14250 |
20 | 22467 |
21 | 32950 |
22 | 50137 |
23 | 72295 |
24 | 109728 |
25 | 156182 |
26 | 230570 |
27 | 328089 |
28 | 477606 |
29 | 670213 |
30 | 968324 |
31 | 1346662 |
32 | 1917385 |
33 | 2658120 |
34 | 3736326 |
35 | 5139004 |
36 | 7183707 |
37 | 9798418 |
38 | 13546453 |
39 | 18414693 |
[0,0,0,1,3,6,17,28,62,107,201,316,607,909,1567, 2444,4025,5979,9749,14250,22467,32950,50137,72295, 109728,156182,230570,328089,477606,670213,968324, 1346662,1917385,2658120,3736326,5139004,7183707, 9798418,13546453,18414693] |