# A373939 (b-file synthesized from sequence entry)
0 1
1 6
2 81
3 1116
4 15471
5 214974
6 2990115
7 41609376
8 579152592
9 8062039188
10 112233642606
11 1562482974384
12 21752802921528
13 302844316749948
14 4216246872393294
15 58699445770011312
16 817227085779238851
17 11377633930294786182
18 158402278494943048161
19 2205317108305048202244