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A156701 as a simple table

na(n)
04
125
2136
3481
41300
52929
65800
710441
817476
927625
1041704
1160625
1285396
13117121
14157000
15206329
16266500
17339001
18425416
19527425
20646804
21785425
22945256
231128361
241336900
251573129
261839400
272138161
282471956
292843425
303255304
313710425

[4,25,136,481,1300,2929,5800,10441,17476,27625,
 41704,60625,85396,117121,157000,206329,266500,
 339001,425416,527425,646804,785425,945256,1128361,
 1336900,1573129,1839400,2138161,2471956,2843425,
 3255304,3710425]