# A000512 (b-file synthesized from sequence entry)
1 0
2 0
3 1
4 1
5 2
6 7
7 16
8 51
9 224
10 1165
11 7454
12 56349
13 481309
14 4548786
15 46829325
16 519812910
17 6177695783
18 78190425826
19 1049510787100
20 14886252250208
21 222442888670708
22 3492326723315796
23 57468395960854710
24 989052970923320185
25 17767732298980160822
26 332572885090541084172
27 6475438355244504235759
28 130954580036269713385884