n | a(n) |
---|---|
1 | 1 |
2 | 30 |
3 | 210 |
4 | 867 |
5 | 2690 |
6 | 6956 |
7 | 15833 |
8 | 32775 |
9 | 63024 |
10 | 114235 |
11 | 197241 |
12 | 326976 |
13 | 523575 |
14 | 813671 |
15 | 1231910 |
16 | 1822706 |
17 | 2642259 |
18 | 3760860 |
19 | 5265508 |
20 | 7262865 |
21 | 9882576 |
22 | 13280982 |
23 | 17645255 |
24 | 23197985 |
25 | 30202250 |
26 | 38967201 |
27 | 49854195 |
28 | 63283510 |
29 | 79741677 |
30 | 99789465 |
31 | 124070556 |
[1,30,210,867,2690,6956,15833,32775,63024,114235, 197241,326976,523575,813671,1231910,1822706, 2642259,3760860,5265508,7262865,9882576,13280982, 17645255,23197985,30202250,38967201,49854195, 63283510,79741677,99789465,124070556] |