n | a(n) |
---|---|
0 | 0 |
1 | 0 |
2 | 56 |
3 | 702 |
4 | 4032 |
5 | 15500 |
6 | 46440 |
7 | 117306 |
8 | 261632 |
9 | 530712 |
10 | 999000 |
11 | 1770230 |
12 | 2984256 |
13 | 4824612 |
14 | 7526792 |
15 | 11387250 |
16 | 16773120 |
17 | 24132656 |
18 | 34006392 |
19 | 47039022 |
20 | 63992000 |
21 | 85756860 |
22 | 113369256 |
23 | 148023722 |
24 | 191089152 |
25 | 244125000 |
26 | 308898200 |
27 | 387400806 |
28 | 481868352 |
29 | 594798932 |
[0,0,56,702,4032,15500,46440,117306,261632,530712, 999000,1770230,2984256,4824612,7526792,11387250, 16773120,24132656,34006392,47039022,63992000, 85756860,113369256,148023722,191089152,244125000, 308898200,387400806,481868352,594798932] |