# A189345 (b-file synthesized from sequence entry)
1 0
2 1
3 126
4 1820
5 12650
6 58905
7 211876
8 635376
9 1663740
10 3921225
11 8495410
12 17178876
13 32795126
14 59626385
15 103962600
16 174792640
17 284660376
18 450710001
19 695946630
20 1050739900
21 1554599970
22 2258257001
23 3226076876
24 4538847600
25 6296972500
26 8624108025
27 11671285626