# A122232 (b-file synthesized from sequence entry)
1 42
2 212
3 992
4 3876
5 15448
6 64644
7 252056
8 989988
9 4108676
10 16147220
11 63393540
12 266083460
13 1047285272
14 4245874244
15 16903342544
16 67034166420
17 274274527940
18 1068738181764
19 4246566244100
20 17369295361736
21 67322784388376
22 269731897678032