# A300412 (b-file synthesized from sequence entry)
0 1
1 2
2 16
3 144
4 1376
5 15800
6 210816
7 3333372
8 61688448
9 1318588146
10 32004369200
11 869282342632
12 26099925704928
13 857736429098848
14 30605729417479104
15 1177841009504482200
16 48614265201514729984
17 2141639401723095243324
18 100282931820560447963568
19 4973060138191518242569120