# A177238 (b-file synthesized from sequence entry)
0 2
1 10
2 42
3 174
4 718
5 3014
6 12726
7 54054
8 230046
9 980402
10 4177266
11 17789230
12 75680138
13 321616186
14 1365165694
15 5788182178
16 24514575654
17 103720434558
18 438421398326
19 1851566492994
20 7813337317842
21 32946701361962
22 138832416613530