# A255476 (b-file synthesized from sequence entry)
0 1
1 6
2 24
3 94
4 356
5 1338
6 5036
7 18942
8 71264
9 268114
10 1008728
11 3795162
12 14278632
13 53720914
14 202115688
15 760425734
16 2860971568
17 10763916406
18 40497394188
19 152364521390
20 573245456832
21 2156738015294
22 8114358001856
23 30528884544598
24 114859708062884
25 432140012215626