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A139596 as a simple table

na(n)
00
16
214
328
444
566
690
7120
8152
9190
10230
11276
12324
13378
14434
15496
16560
17630
18702
19780
20860
21946
221034
231128
241224
251326
261430
271540
281652
291770
301890
312016
322144
332278
342414
352556
362700
372850
383002
393160
403320
413486
423654
433828

[0,6,14,28,44,66,90,120,152,190,230,276,324,378,
 434,496,560,630,702,780,860,946,1034,1128,1224,
 1326,1430,1540,1652,1770,1890,2016,2144,2278,2414,
 2556,2700,2850,3002,3160,3320,3486,3654,3828]