n | a(n) |
---|---|
1 | 56 |
2 | 702 |
3 | 15500 |
4 | 117306 |
5 | 1770230 |
6 | 4824612 |
7 | 24132656 |
8 | 47039022 |
9 | 148023722 |
10 | 594798932 |
11 | 887473890 |
12 | 2565675756 |
13 | 4750035320 |
14 | 6321283542 |
15 | 10779111506 |
16 | 22164212252 |
17 | 42180328262 |
18 | 51520147380 |
19 | 90458081406 |
20 | 128099926010 |
[56,702,15500,117306,1770230,4824612,24132656, 47039022,148023722,594798932,887473890,2565675756, 4750035320,6321283542,10779111506,22164212252, 42180328262,51520147380,90458081406,128099926010] |