# A053925 (b-file synthesized from sequence entry)
1 4
2 9
3 49
4 29929
5 44944
6 94249
7 2424249
8 9229444
9 22924944
10 42994249
11 92294449
12 4924249929
13 49429294929
14 422224444944
15 49222249444449
16 294942222949924
17 499494249999424
18 924294494492944
19 2292224242242992929