A278546 - OEIS

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A278546 as a simple table

n	a(n)
1	8
2	18
3	28
4	130
5	134
6	138
7	148
8	158
9	176
10	318
11	530
12	538
13	548
14	576
15	644
16	1300
17	2170
18	2202
19	2212
20	2228
21	2230
22	2248
23	8706
24	8938
25	8948
26	34970
27	35082

[8,18,28,130,134,138,148,158,176,318,530,538,548, 576,644,1300,2170,2202,2212,2228,2230,2248,8706, 8938,8948,34970,35082]