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A035381 as a simple table

na(n)
11
21
32
42
52
63
74
84
96
107
117
129
1311
1412
1515
1618
1719
1823
1927
2029
2135
2241
2344
2451
2559
2664
2774
2886
2993
30106
31121
32131
33148
34169
35184
36206
37233
38253
39282
40318
41346
42384
43430
44467
45516
46576
47626
48689
49766
50831
51911
521010
531096
541199
551324
561435
571565
581723
591867

[1,1,2,2,2,3,4,4,6,7,7,9,11,12,15,18,19,23,27,29,
 35,41,44,51,59,64,74,86,93,106,121,131,148,169,
 184,206,233,253,282,318,346,384,430,467,516,576,
 626,689,766,831,911,1010,1096,1199,1324,1435,1565,
 1723,1867]