# A150718 (b-file synthesized from sequence entry)
0 1
1 2
2 8
3 28
4 116
5 465
6 2002
7 8437
8 37237
9 161422
10 722872
11 3193287
12 14438915
13 64628012
14 294304218
15 1330034420
16 6090094043
17 27725305017
18 127515229293
19 583875027223
20 2695253214088
21 12398866699006
22 57412413236322
23 265130888541365
24 1230934711860059
25 5702885873267887
26 26537994068161571
27 123289342436536590