login

A018929 as a simple table

na(n)
19
225
3169
47225
524649
6151905625
7155276521
811296501225
976364348281
10115402204681
11107410609760281
12297167295808681
133750076824489457081
142635366822165468321225
1517815079717838565851481
16761621011605820344834025

[9,25,169,7225,24649,151905625,155276521,
 11296501225,76364348281,115402204681,
 107410609760281,297167295808681,
 3750076824489457081,2635366822165468321225,
 17815079717838565851481,761621011605820344834025]