# A087354 (b-file synthesized from sequence entry)
1 1
2 49
3 144
4 1444
5 11449
6 1119364
7 36144144
8 251444449
9 991494144
10 4914991449
11 149991994944
12 149991994944
13 98191114994449
14 118194491449441
15 1991164114941444
16 9141411499911441
17 119499194999141136