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A338875 as a simple table

na(n)
01
11
21
33
41
51
613
75
81
91
1075
112
125
131
141
15541
16191
1729
1829
191
201
214683
2276
23263
24149
257
261
271
2847293
295081
304157
3124967
322687
33727
341
351
36545835
37674
3893881
39115567
4044027
4166247
42631
431
441
457087261
46386237
4721209
48377909
4931627
5037728769
51354061
524481
531
541

[1,1,1,3,1,1,13,5,1,1,75,2,5,1,1,541,191,29,29,1,
 1,4683,76,263,149,7,1,1,47293,5081,4157,24967,
 2687,727,1,1,545835,674,93881,115567,44027,66247,
 631,1,1,7087261,386237,21209,377909,31627,
 37728769,354061,4481,1,1]