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A146157 as a simple table

na(n)
11
21
31
41
51
61
72
82
93
103
116
127
1316
1423
1550
1665
17176
18221
19727
201056
213742
225997
2323258
2437914
25168488
26284282
271460179
282612520
2915176540
3028767703

[1,1,1,1,1,1,2,2,3,3,6,7,16,23,50,65,176,221,727,
 1056,3742,5997,23258,37914,168488,284282,1460179,
 2612520,15176540,28767703]