# A371771 (b-file synthesized from sequence entry)
0 1
1 3
2 21
3 166
4 1377
5 11748
6 102088
7 898677
8 7987305
9 71517307
10 644134026
11 5829345492
12 52964836184
13 482846377185
14 4414405051413
15 40458397722306
16 371605426607673
17 3419639400458316
18 31521758873514301
19 291000881055737811
20 2690082750919841442