# A346271 (b-file synthesized from sequence entry)
0 1
1 1
2 2
3 7
4 41
5 346
6 3807
7 53747
8 952275
9 20362552
10 515112983
11 15277888693
12 523304644304
13 20415373547609
14 900219731675981
15 44533809102813206
16 2451041479421900803
17 149140880201760643360
18 9982798939295116151967
19 731215136812226462200109
20 58333374310397488522052976