# A356949 (b-file synthesized from sequence entry)
0 1
1 0
2 0
3 6
4 12
5 20
6 1110
7 7602
8 35336
9 1103832
10 14984010
11 134552990
12 3457329612
13 70828191876
14 1017237973934
15 25648737955050
16 676111332667920
17 13760810592066992
18 373071111301807506
19 11594147432172228918
20 307097278689726728660
21 9330499711181779575900