# A148854 (b-file synthesized from sequence entry)
0 1
1 1
2 3
3 8
4 28
5 91
6 353
7 1313
8 5279
9 21233
10 87974
11 369069
12 1572716
13 6763787
14 29462557
15 129147912
16 571417218
17 2543626341
18 11393262275
19 51321889995
20 232283468959
21 1056120669869
22 4821911290022
23 22095113714613
24 101606770406224
25 468712264973306
26 2168546809906870
27 10060820614451701
28 46793794711248079