# A317134 (b-file synthesized from sequence entry)
0 1
1 2
2 9
3 44
4 236
5 1336
6 7862
7 47608
8 294720
9 1856748
10 11865684
11 76731572
12 501176237
13 3301501694
14 21909634763
15 146337236580
16 982962605577
17 6635968279354
18 45001173711683
19 306406562117884
20 2093909763907401
21 14356806252396614
22 98735015302171955
23 680906548260420320
24 4707709357806093085
25 32625093782844333722
26 226588405850230665429
27 1576882804780751603092