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A308038 as a simple table

na(n)
10
20
34
49
534
657
7134
8196
9370
10500
11830
121065
131624
142009
152884
163472
174764
185616
197440
208625
2111110
2212705
2315994
2418084
2522334
2625012
2730394
2833761
2940460
3044625
3152840
3257920
3367864
3473984
3585884
3693177
37107274
38115881
39132430
40142500
41161770
42173460

[0,0,4,9,34,57,134,196,370,500,830,1065,1624,2009,
 2884,3472,4764,5616,7440,8625,11110,12705,15994,
 18084,22334,25012,30394,33761,40460,44625,52840,
 57920,67864,73984,85884,93177,107274,115881,
 132430,142500,161770,173460]