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A250108 as a simple table

na(n)
10
20
34
42
510
610
722
820
936
1036
1156
1254
1378
1478
15106
16104
17136
18136
19172
20170
21210
22210
23254
24252
25300
26300
27352
28350
29406
30406
31466
32464
33528
34528
35596
36594
37666
38666
39742
40740
41820
42820
43904
44902
45990
46990
471082
481080
491176
501176
511276
521274
531378

[0,0,4,2,10,10,22,20,36,36,56,54,78,78,106,104,
 136,136,172,170,210,210,254,252,300,300,352,350,
 406,406,466,464,528,528,596,594,666,666,742,740,
 820,820,904,902,990,990,1082,1080,1176,1176,1276,
 1274,1378]