# A153008 (b-file synthesized from sequence entry)
0 0
1 0
2 0
3 1
4 5
5 21
6 81
7 302
8 1107
9 4027
10 14608
11 52988
12 192501
13 701065
14 2560806
15 9384273
16 34504203
17 127288011
18 471102318
19 1749063906
20 6513268401
21 24323719461
22 91081800417
23 341929853235
24 1286711419527
25 4852902998951
26 18341683253676