# A065023 (b-file synthesized from sequence entry)
2 2
3 4
4 10
5 21
6 51
7 89
8 203
9 370
10 715
11 1197
12 2418
13 3813
14 7175
15 11379
16 19026
17 29809
18 51618
19 75378
20 125951
21 185025
22 285449