# A025589 (b-file synthesized from sequence entry)
0 1
1 2
2 10
3 26
4 80
5 256
6 648
7 1784
8 4472
9 10576
10 22822
11 45978
12 84350
13 133394
14 186956
15 236892
16 249912
17 257436
18 198818
19 160210
20 81176
21 43744
22 11996
23 3236
24 304