# A056700 (b-file synthesized from sequence entry)
1 0
2 2
3 3
4 12
5 18
6 23
7 57
8 128
9 543
10 584
11 833
12 2450
13 2810
14 2873
15 3671
16 6384
17 10296
18 16704
19 53049
20 56544
21 74253