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A259921 as a simple table

na(n)
31
43
55
615
730
840
950
10103
11105
12115
13130
14140
15150
16204
17214
18240
19250
20316
21317
22325

[1,3,5,15,30,40,50,103,105,115,130,140,150,204,
 214,240,250,316,317,325]