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A109281 as a simple table

na(n)
01
11
21
35
42
51
635
79
83
91
10309
1156
1214
134
141
153287
16443
1784
1820
195
201
2141005
224298
23623
24120
2527
266
271
28588487
2949937
305629
31859
32165
3335
347
351
369571125
37680700
3861300
397360
401162
41220
4244
438
441
45174230863
4610683103
47793402
4875714
499584
501544
51286
5254
539
541

[1,1,1,5,2,1,35,9,3,1,309,56,14,4,1,3287,443,84,
 20,5,1,41005,4298,623,120,27,6,1,588487,49937,
 5629,859,165,35,7,1,9571125,680700,61300,7360,
 1162,220,44,8,1,174230863,10683103,793402,75714,
 9584,1544,286,54,9,1]