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A375047 as a simple table

na(n)
11
21
32
43
51
64
78
85
91
1012
1128
1223
138
141
1548
16124
17120
1855
1912
201
21288
22792
23844
24450
25127
2618
271
282592
297416
308388
314894
321593
33289
3427
351
3636288
37106416
38124848
3976904
4027196
415639
42667
4341
441
45798336
462377440
472853072
481816736
49675216
50151254
5120313

[1,1,2,3,1,4,8,5,1,12,28,23,8,1,48,124,120,55,12,
 1,288,792,844,450,127,18,1,2592,7416,8388,4894,
 1593,289,27,1,36288,106416,124848,76904,27196,
 5639,667,41,1,798336,2377440,2853072,1816736,
 675216,151254,20313]