# A046088 (b-file synthesized from sequence entry)
1 1
2 16
3 206
4 2371
5 25761
6 272376
7 2848716
8 29701906
9 309654696
10 3230358586
11 33718475076
12 352065356916
13 3676515354356
14 38394136371396
15 400952138922036
16 4187122750092776
17 43725550173817616
18 456617901788403056