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A210440 as a simple table

na(n)
00
14
216
340
480
5140
6224
7336
8480
9660
10880
111144
121456
131820
142240
152720
163264
173876
184560
195320
206160
217084
228096
239200
2410400
2511700
2613104
2714616
2816240
2917980
3019840
3121824
3223936
3326180
3428560
3531080
3633744
3736556
3839520
3942640
4045920
4149364
4252976

[0,4,16,40,80,140,224,336,480,660,880,1144,1456,
 1820,2240,2720,3264,3876,4560,5320,6160,7084,8096,
 9200,10400,11700,13104,14616,16240,17980,19840,
 21824,23936,26180,28560,31080,33744,36556,39520,
 42640,45920,49364,52976]