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A182781 as a simple table

na(n)
14
24
32
41
512
620
735
828
980
10114
11211
12228
13736
141214
152101
162536
177799
1813830
1922107
2027265
2182611
22144324
23259260
24354029
25901774
261651718
272913981
283913728
2911048656
3019782855
3133483206
3249533124

[4,4,2,1,12,20,35,28,80,114,211,228,736,1214,2101,
 2536,7799,13830,22107,27265,82611,144324,259260,
 354029,901774,1651718,2913981,3913728,11048656,
 19782855,33483206,49533124]