# A253105 (b-file synthesized from sequence entry)
0 1
1 8
2 32
3 140
4 580
5 2300
6 9212
7 36708
8 145684
9 579132
10 2300748
11 9136868
12 36293220
13 144150716
14 572523772
15 2273961796
16 9031663444
17 35871633244
18 142474173772
19 565874928900
20 2247525801188
21 8926662348828
22 35454669141436
23 140817868278436