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A369999 as a simple table

na(n)
01
12
21
34
44
54
61
78
812
924
1038
1148
1228
138
141
1516
1632
1796
18280
19784
201952
214304
227280
238720
247136
254192
261804
27560
28120
2916
301

[1,2,1,4,4,4,1,8,12,24,38,48,28,8,1,16,32,96,280,
 784,1952,4304,7280,8720,7136,4192,1804,560,120,16,
 1]