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A241975 as a simple table

na(n)
14
26
310
414
516
620
736
840
954
1056
1166
1284
1390
1494
15116
16126
17146
18150
19156
20160
21170
22204
23210
24260
25264
26306
27340
28350
29386
30396
31406
32420
33464
34474
35496
36570
37634
38674
39696
40700
41716
42740
43764
44780
45816
46826
47864
48890
49966
501054
511070
521094
531106
541144

[4,6,10,14,16,20,36,40,54,56,66,84,90,94,116,126,
 146,150,156,160,170,204,210,260,264,306,340,350,
 386,396,406,420,464,474,496,570,634,674,696,700,
 716,740,764,780,816,826,864,890,966,1054,1070,
 1094,1106,1144]