# A151259 (b-file synthesized from sequence entry)
0 1
1 1
2 2
3 5
4 13
5 35
6 104
7 309
8 950
9 3001
10 9580
11 31122
12 102447
13 340154
14 1141687
15 3861440
16 13151163
17 45099030
18 155500732
19 538992037
20 1877191730
21 6565129272
22 23052066243
23 81232416035
24 287194928135
25 1018509372930
26 3622229673983
27 12916151094960
28 46169898399992
29 165415989450629
30 593924178778286
31 2136775816554616