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A318838 as a simple table

na(n)
12
22
34
44
510
64
722
812
928
1010
1146
1216
1362
1422
15100
1684
1794
1828
19118
20100
21484
2246
23146
24144
25530
2662
271036
28484
29206
30100
31218
321596
332116
3494
355170
36784
37298
38118
393844
403900
41334
42484
43358
442116
4525900
46146
47394
487056
493322
50530
518836
523844
53466
541036
5523690
5642108
5713924
58206
59538
6010000
61554
62218
63240548

[2,2,4,4,10,4,22,12,28,10,46,16,62,22,100,84,94,
 28,118,100,484,46,146,144,530,62,1036,484,206,100,
 218,1596,2116,94,5170,784,298,118,3844,3900,334,
 484,358,2116,25900,146,394,7056,3322,530,8836,
 3844,466,1036,23690,42108,13924,206,538,10000,554,
 218,240548]