# A149596 (b-file synthesized from sequence entry)
0 1
1 1
2 5
3 15
4 59
5 219
6 943
7 3751
8 15899
9 67527
10 294375
11 1259641
12 5562709
13 24487903
14 108724571
15 481848287
16 2168462967
17 9716498853
18 43820690213
19 197919279247
20 899976839611
21 4082879396573
22 18626354550873
23 85052300771561
24 389645946518697
25 1784418455640275
26 8205115564469679
27 37737886034050155