# A269938 (b-file synthesized from sequence entry)
0 1
1 1
2 3
3 21
4 269
5 5501
6 164871
7 6826353
8 373877161
9 26202082729
10 2288805048251
11 243958190401341
12 31176599353144853
13 4706999020319020101
14 829102910675624591839
15 168548158717259440652601
16 39174415082612704149839761
17 10324151597447856368055425553
18 3062691062053211798175516784691