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A216871 as a simple table

na(n)
0-4
14
2-4
320
428
568
692
7148
8188
9260
10316
11404
12476
13580
14668
15788
16892
171028
181148
191300
201436
211604
221756
231940
242108
252308
262492
272708
282908
293140
303356
313604
323836
334100
344348
354628
364892
375188
385468
395780
406076
416404
426716
437060
447388
457748
468092

[-4,4,-4,20,28,68,92,148,188,260,316,404,476,580,
 668,788,892,1028,1148,1300,1436,1604,1756,1940,
 2108,2308,2492,2708,2908,3140,3356,3604,3836,4100,
 4348,4628,4892,5188,5468,5780,6076,6404,6716,7060,
 7388,7748,8092]