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A157511 as a simple table

na(n)
15201
220401
345601
480801
5126001
6181201
7246401
8321601
9406801
10502001
11607201
12722401
13847601
14982801
151128001
161283201
171448401
181623601
191808801
202004001
212209201
222424401
232649601
242884801
253130001
263385201
273650401

[5201,20401,45601,80801,126001,181201,246401,
 321601,406801,502001,607201,722401,847601,982801,
 1128001,1283201,1448401,1623601,1808801,2004001,
 2209201,2424401,2649601,2884801,3130001,3385201,
 3650401]