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A307542 as a simple table

na(n)
14
26
38
410
512
618
724
828
930
1038
1154
1298
13122
14124
15126
16128
17220
18302
19308
20332
21346
22368
23488
24556
25854
26908
27962
28968
29992
301144
311150
321274
331354
341360
351362
361382
371408
381424
391532
401768
411856
421928
432078
442188
452200
462438
472512
482530
492618
502642
513458
523526
533818
543848

[4,6,8,10,12,18,24,28,30,38,54,98,122,124,126,128,
 220,302,308,332,346,368,488,556,854,908,962,968,
 992,1144,1150,1274,1354,1360,1362,1382,1408,1424,
 1532,1768,1856,1928,2078,2188,2200,2438,2512,2530,
 2618,2642,3458,3526,3818,3848]