# A269255 (b-file synthesized from sequence entry)
0 1
1 28
2 403
3 5080
4 61831
5 745108
6 8952763
7 107475760
8 1289869711
9 15479049388
10 185750955523
11 2229020652040
12 26748283770391
13 320979546636868
14 3851755118036683
15 46221063628493920
16 554652772325571871
17 6655833302847731548
18 79869999773355124243
19 958439997835247481400
20 11501279976237683562151