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A336858 as a simple table

na(n)
01
11
21
31
43
51
61
75
89
91
101
117
1221
1331
141
151
169
1737
1889
19121
201
211
2211
2357
24183
25393
26515
271
281
2913
3081
31321
32897
331805
342321
351
361
3715
38109
39511
401729
414431
428557
4310879
441
451
4617
47141
48761
493001
509161
5122149
5241585
5352465
541
551
5619
57177
581079
594841
6017003
6148313
62112047
63206097
64258563
651

[1,1,1,1,3,1,1,5,9,1,1,7,21,31,1,1,9,37,89,121,1,
 1,11,57,183,393,515,1,1,13,81,321,897,1805,2321,1,
 1,15,109,511,1729,4431,8557,10879,1,1,17,141,761,
 3001,9161,22149,41585,52465,1,1,19,177,1079,4841,
 17003,48313,112047,206097,258563,1]