# A150289 (b-file synthesized from sequence entry)
0 1
1 2
2 6
3 23
4 92
5 386
6 1665
7 7347
8 32998
9 150231
10 691195
11 3206754
12 14984744
13 70444527
14 332881927
15 1579979745
16 7527828960
17 35986754865
18 172545311966
19 829485969096
20 3997025967601
21 19301064888858
22 93379586216132
23 452555731106801
24 2196718896415187
25 10678245472578013
26 51975160155428364
27 253288779232041951