# A176966 (b-file synthesized from sequence entry)
0 1
1 4
2 7
3 28
4 109
5 487
6 2233
7 10666
8 52111
9 259957
10 1317331
11 6765121
12 35126623
13 184109599
14 972775495
15 5175914824
16 27709135453
17 149145574915
18 806659265809
19 4381711637563
20 23893807660885
21 130754073218149
22 717819706182061