# A148074 (b-file synthesized from sequence entry)
0 1
1 1
2 2
3 4
4 9
5 21
6 56
7 164
8 472
9 1443
10 4442
11 13543
12 42538
13 140125
14 461051
15 1540007
16 5230724
17 17608645
18 59481321
19 206130290
20 720298004
21 2523815677
22 8951596054
23 31724219609
24 111972880599
25 399889272475
26 1443126871712
27 5216771470535
28 18978785870361
29 69268966498148
30 251874465187235
31 919122479206908
32 3382867597156114