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A047451 as a simple table

na(n)
10
26
38
414
516
622
724
830
932
1038
1140
1246
1348
1454
1556
1662
1764
1870
1972
2078
2180
2286
2388
2494
2596
26102
27104
28110
29112
30118
31120
32126
33128
34134
35136
36142
37144
38150
39152
40158
41160
42166
43168
44174
45176
46182
47184
48190
49192
50198
51200
52206
53208
54214
55216
56222
57224
58230

[0,6,8,14,16,22,24,30,32,38,40,46,48,54,56,62,64,
 70,72,78,80,86,88,94,96,102,104,110,112,118,120,
 126,128,134,136,142,144,150,152,158,160,166,168,
 174,176,182,184,190,192,198,200,206,208,214,216,
 222,224,230]