# A149914 (b-file synthesized from sequence entry)
0 1
1 2
2 5
3 15
4 47
5 150
6 511
7 1818
8 6553
9 24152
10 91011
11 345464
12 1323971
13 5153325
14 20242463
15 79980418
16 318692165
17 1278021945
18 5144043475
19 20816623561
20 84730346521
21 346195467540
22 1419588411167
23 5844061918042
24 24128251545872
25 99868971598520
26 414648751273051
27 1726489726795012
28 7204868556994227