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A109979 as a simple table

na(n)
01
12
21
38
44
51
636
720
86
91
10172
11104
1236
138
141
15852
16552
17212
1856
1910
201
214324
222968
231236
24368
2580
2612
271
2822332
2916104
307164
312336
32580
33108
3414
351
36116876
3787976
3841372
3914512
403980
41856
42140
4316
441
45618084
46483192
47238356
4888848
4926372
506312
511204
52176

[1,2,1,8,4,1,36,20,6,1,172,104,36,8,1,852,552,212,
 56,10,1,4324,2968,1236,368,80,12,1,22332,16104,
 7164,2336,580,108,14,1,116876,87976,41372,14512,
 3980,856,140,16,1,618084,483192,238356,88848,
 26372,6312,1204,176]