# A361657 (b-file synthesized from sequence entry)
0 1
1 1
2 1
3 1
4 13
5 61
6 181
7 421
8 1261
9 5293
10 21421
11 73261
12 232321
13 789361
14 2954953
15 11127481
16 39961741
17 139908301
18 499315501
19 1835933293
20 6792310153
21 24827506873
22 90058277233
23 328509505633
24 1210097040769
25 4473191880961
26 16495696956961
27 60721903812961