# A023618 (b-file synthesized from sequence entry)
1 4
2 18
3 42
4 85
5 155
6 272
7 465
8 780
9 1291
10 2121
11 3468
12 5650
13 9182
14 14900
15 24155
16 39131
17 63365
18 102578
19 166029
20 268699
21 434825
22 703624
23 1138552
24 1842282
25 2980944
26 4823341
27 7804403