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A293858 as a simple table

na(n)
116
244
392
4148
5368
6400
7530
8688
9992
101052
112228
123562
134952
147102
1510262
1620684
1737052
1852394
1961456
2062828
2180144
22224648
23236476
24251806
25360524
26362534
27742856
281655152
291872236
302108282
312319728
322707118
338561518
3412727966
3518115354
3618245438
3721572990
3854144704

[16,44,92,148,368,400,530,688,992,1052,2228,3562,
 4952,7102,10262,20684,37052,52394,61456,62828,
 80144,224648,236476,251806,360524,362534,742856,
 1655152,1872236,2108282,2319728,2707118,8561518,
 12727966,18115354,18245438,21572990,54144704]