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A281350 as a simple table

na(n)
11
22
31
411
52
61
744
814
92
101
11169
1266
1314
142
151
16609
17323
1870
1914
202
211
222253
231431
24356
2570
2614
272
281
298779
306320
311695
32361
3370
3414
352
361
3736319
3827420
398081
401739
41361
4270
4314
442
451
46157297
47119821
4837849
498455
501745
51361
5270
5314
542
551
56701901
57528557
58176894
5940549
608510
611745
62361
6370
6414
652
661

[1,2,1,11,2,1,44,14,2,1,169,66,14,2,1,609,323,70,
 14,2,1,2253,1431,356,70,14,2,1,8779,6320,1695,361,
 70,14,2,1,36319,27420,8081,1739,361,70,14,2,1,
 157297,119821,37849,8455,1745,361,70,14,2,1,
 701901,528557,176894,40549,8510,1745,361,70,14,2,
 1]