# A149459 (b-file synthesized from sequence entry)
0 1
1 1
2 4
3 13
4 50
5 205
6 865
7 3740
8 16580
9 74723
10 340133
11 1566675
12 7278445
13 34032294
14 160099893
15 757146959
16 3595868383
17 17142001362
18 81998483431
19 393381923307
20 1892091356534
21 9122041253349
22 44070811591388
23 213315103504276
24 1034271774573223
25 5022540629529213
26 24424433945271885
27 118928982595806325