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A291067 as a simple table

na(n)
16
25
3177
4178
5175
6174
7177
8178
9179
10180
11171
12550
13551
14548
15545
16550
17549
18610
19611
20608
21603
2214864
2314863
2414870
2514875
2614876
2715583
2815594
2915741
3015744
3115745
3215742
3315745
3415746
3515743
36114886
37114887
38114884
39114887
40114888
41114885
42404986

[6,5,177,178,175,174,177,178,179,180,171,550,551,
 548,545,550,549,610,611,608,603,14864,14863,14870,
 14875,14876,15583,15594,15741,15744,15745,15742,
 15745,15746,15743,114886,114887,114884,114887,
 114888,114885,404986]