# A176710 (b-file synthesized from sequence entry)
0 1
1 2
2 12
3 24
4 144
5 288
6 1728
7 3456
8 20736
9 41472
10 248832
11 497664
12 2985984
13 5971968
14 35831808
15 71663616
16 429981696
17 859963392
18 5159780352
19 10319560704
20 61917364224
21 123834728448
22 743008370688
23 1486016741376
24 8916100448256
25 17832200896512
26 106993205379072
27 213986410758144