n | a(n) |
---|---|
4 | 4 |
5 | 15 |
6 | 52 |
7 | 151 |
8 | 372 |
9 | 799 |
10 | 1540 |
11 | 2727 |
12 | 4516 |
13 | 7087 |
14 | 10644 |
15 | 15415 |
16 | 21652 |
17 | 29631 |
18 | 39652 |
19 | 52039 |
20 | 67140 |
21 | 85327 |
22 | 106996 |
23 | 132567 |
24 | 162484 |
25 | 197215 |
26 | 237252 |
27 | 283111 |
28 | 335332 |
29 | 394479 |
30 | 461140 |
31 | 535927 |
32 | 619476 |
33 | 712447 |
34 | 815524 |
35 | 929415 |
36 | 1054852 |
37 | 1192591 |
38 | 1343412 |
39 | 1508119 |
40 | 1687540 |
[4,15,52,151,372,799,1540,2727,4516,7087,10644, 15415,21652,29631,39652,52039,67140,85327,106996, 132567,162484,197215,237252,283111,335332,394479, 461140,535927,619476,712447,815524,929415,1054852, 1192591,1343412,1508119,1687540] |