n | a(n) |
---|---|
0 | 1 |
1 | 1 |
2 | 2 |
3 | 7 |
4 | 12 |
5 | 35 |
6 | 111 |
7 | 247 |
8 | 624 |
9 | 1843 |
10 | 6717 |
11 | 15020 |
12 | 46847 |
13 | 124808 |
14 | 412577 |
15 | 1658973 |
16 | 4217546 |
17 | 12997734 |
18 | 40786810 |
19 | 126971940 |
20 | 437063393 |
21 | 2106317043 |
22 | 5499108365 |
23 | 19037901867 |
24 | 59939925812 |
25 | 210338815573 |
26 | 683526043801 |
27 | 2741350650705 |
28 | 14848209030691 |
29 | 41533835240731 |
30 | 151548411269815 |
[1,1,2,7,12,35,111,247,624,1843,6717,15020,46847, 124808,412577,1658973,4217546,12997734,40786810, 126971940,437063393,2106317043,5499108365, 19037901867,59939925812,210338815573,683526043801, 2741350650705,14848209030691,41533835240731, 151548411269815] |