登录

A272046型作为一个简单的表

n个a(n)
01
15
228
169
4737
52917
611561
745633
8181609
9723329
102887025
1111537625
1246131697
13184497161
14737989497
152952023441

[1,5,28,169,737,2917,11561,45633,181609,723329,2887025,11537625,46131697,184497161,737989497,2952023441]