n | a(n) |
---|---|
0 | 1 |
1 | 1 |
2 | 2 |
3 | 6 |
4 | 23 |
5 | 106 |
6 | 567 |
7 | 3440 |
8 | 23286 |
9 | 173704 |
10 | 1414102 |
11 | 12465119 |
12 | 118205428 |
13 | 1199306902 |
14 | 12958274048 |
15 | 148502304614 |
16 | 1798680392716 |
17 | 22953847041950 |
18 | 307774885768354 |
19 | 4325220458515307 |
20 | 63563589415836532 |
21 | 974883257009308933 |
22 | 15575374626562632462 |
23 | 258780875395778033769 |
24 | 4464364292401926006220 |
[1,1,2,6,23,106,567,3440,23286,173704,1414102, 12465119,118205428,1199306902,12958274048, 148502304614,1798680392716,22953847041950, 307774885768354,4325220458515307, 63563589415836532,974883257009308933, 15575374626562632462,258780875395778033769, 4464364292401926006220] |