n | a(n) |
---|---|
0 | 1 |
1 | 2 |
2 | 10 |
3 | 74 |
4 | 740 |
5 | 9354 |
6 | 143144 |
7 | 2573586 |
8 | 53180944 |
9 | 1242078802 |
10 | 32358633632 |
11 | 930370449370 |
12 | 29264294868544 |
13 | 999646208968666 |
14 | 36852747307934336 |
15 | 1458402092927302178 |
16 | 61665517131334975744 |
17 | 2774522039432235946914 |
[1,2,10,74,740,9354,143144,2573586,53180944, 1242078802,32358633632,930370449370, 29264294868544,999646208968666,36852747307934336, 1458402092927302178,61665517131334975744, 2774522039432235946914] |