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A250426 as a simple table

na(n)
136
2108
3324
4720
51600
63000
75625
89450
915876
1024696
1138416
1256448
1382944
14116640
15164025
16222750
17302500
18399300
19527076
20679536
21876096
221107288
231399489
241739010
252160900
262646000
273240000
283916800
294734976
305659776
316765201
328005878

[36,108,324,720,1600,3000,5625,9450,15876,24696,
 38416,56448,82944,116640,164025,222750,302500,
 399300,527076,679536,876096,1107288,1399489,
 1739010,2160900,2646000,3240000,3916800,4734976,
 5659776,6765201,8005878]