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A174531 as a simple table

na(n)
11
21
33
44
52
64
75
825
932
103
1119
1232
137
1477
15294
16384
174
1852
19240
20384
219
22174
231323
244614
256144
265
27110
28967
293934
306144
3111
32330
334169
3427258
3590992
36122880
376
38200
392842
4021040
4179832
42122880
4313
44559
4510569
46110513
47664898
482161848
492949120
507
51329
526867
5379687
54533630
551935048

[1,1,3,4,2,4,5,25,32,3,19,32,7,77,294,384,4,52,
 240,384,9,174,1323,4614,6144,5,110,967,3934,6144,
 11,330,4169,27258,90992,122880,6,200,2842,21040,
 79832,122880,13,559,10569,110513,664898,2161848,
 2949120,7,329,6867,79687,533630,1935048]