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A209215 as a simple table

na(n)
10
21
31
41
52
61
73
816
916
103
113
12152
13488
14152
153
1616
171721
1826029
1926029
201721
2116
2224
2324255
241958627
258460962
261958627
2724255
2824
29114
30399281
31201001373

[0,1,1,1,2,1,3,16,16,3,3,152,488,152,3,16,1721,
 26029,26029,1721,16,24,24255,1958627,8460962,
 1958627,24255,24,114,399281,201001373]