# A034267 (b-file synthesized from sequence entry)
1 0
2 1
3 7
4 39
5 196
6 930
7 4257
8 19019
9 83512
10 361998
11 1553630
12 6615686
13 27992472
14 117823940
15 493768485
16 2061580275
17 8580127920
18 35611376790
19 147447066690
20 609200868210
21 2512267906200
22 10342848445020
23 42516521451690
24 174535009040574