# A335537 (b-file synthesized from sequence entry)
0 1
1 2
2 6
3 23
4 88
5 332
6 1294
7 5252
8 21872
9 92888
10 402784
11 1782288
12 8028904
13 36768656
14 171054160
15 807703688
16 3867540736
17 18765870208
18 92212515136
19 458609391488
20 2307237770496
21 11736266317952
22 60334416641536
23 313342967240960
24 1643352523119232
25 8700550165605632