# A121095 (b-file synthesized from sequence entry)
0 0
1 0
2 1
3 4
4 14
5 47
6 164
7 565
8 1982
9 6977
10 24850
11 89082
12 321855
13 1169853
14 4276923
15 15713799
16 57998270
17 214934984
18 799473752
19 2983682702
20 11169374372
21 41929478873
22 157807392886
23 595340271682
24 2250901007539
25 8527699269192
26 32369066434276