# A259367 (b-file synthesized from sequence entry)
0 1
1 1
2 1
3 3
4 9
5 21
6 161
7 911
8 3473
9 48329
10 406241
11 2150171
12 44216921
13 491897693
14 3327845249
15 90934644711
16 1257256962081
17 10352273016081
18 353351881109313
19 5836715156967219
20 56621346170765481
21 2319460179075419941
22 44545835926727113441
23 497433851743810193983
24 23782590451590763744689