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A186507 as a simple table

na(n)
12
22
32
46
510
614
730
847
962
1091
11134
12217
13316
14483
15743
161118
171598
182422
193616
205316
218061
2212284
2318675
2426946
2539146
2659339
2790790
28137602
29206390
30316184

[2,2,2,6,10,14,30,47,62,91,134,217,316,483,743,
 1118,1598,2422,3616,5316,8061,12284,18675,26946,
 39146,59339,90790,137602,206390,316184]