# A013083 (b-file synthesized from sequence entry)
0 2
1 6
2 218
3 19894
4 3605042
5 1071814854
6 476307806154
7 295358490331254
8 243794366120035682
9 258411431296057056262
10 342099898262700954007226
11 553199120991918158454260406
12 1072989618644463063657069172626