# A234008 (b-file synthesized from sequence entry)
1 0
2 1
3 4
4 16
5 60
6 231
7 877
8 3362
9 12905
10 49825
11 193003
12 750581
13 2927792
14 11453171
15 44911853
16 176499605
17 694954416
18 2741031257
19 10827727980
20 42831355495
21 169640762209
22 672657218163
23 2669990735153
24 10608176066076
25 42184579054003