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A047887 as a simple table

na(n)
11
21
32
41
55
66
71
814
923
1024
111
1242
13103
14119
15120
161
17132
18513
19694
20719
21720
221
23429
242761
254582
265003
275039
285040
291
301430
3115767
3233324
3339429
3440270
3540319
3640320
371
384862
3994359
40261808
41344837
42361302
43362815
44362879
45362880
461
4716796

[1,1,2,1,5,6,1,14,23,24,1,42,103,119,120,1,132,
 513,694,719,720,1,429,2761,4582,5003,5039,5040,1,
 1430,15767,33324,39429,40270,40319,40320,1,4862,
 94359,261808,344837,361302,362815,362879,362880,1,
 16796]