n | a(n) |
---|---|
1 | 1 |
2 | 19 |
3 | 361 |
4 | 6859 |
5 | 130321 |
6 | 2476099 |
7 | 47045881 |
8 | 148305659 |
9 | 893871739 |
10 | 2817807521 |
11 | 4234136149 |
12 | 10350100679 |
13 | 16983563041 |
14 | 53538342899 |
15 | 80448586831 |
16 | 196651912901 |
17 | 322687697779 |
18 | 815211156289 |
19 | 1017228515081 |
20 | 1432001198261 |
21 | 1528523149789 |
[1,19,361,6859,130321,2476099,47045881,148305659, 893871739,2817807521,4234136149,10350100679, 16983563041,53538342899,80448586831,196651912901, 322687697779,815211156289,1017228515081, 1432001198261,1528523149789] |