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A047278 as a simple table

na(n)
11
22
36
48
59
613
715
816
920
1022
1123
1227
1329
1430
1534
1636
1737
1841
1943
2044
2148
2250
2351
2455
2557
2658
2762
2864
2965
3069
3171
3272
3376
3478
3579
3683
3785
3886
3990
4092
4193
4297
4399
44100
45104
46106
47107
48111
49113
50114
51118
52120
53121
54125
55127
56128
57132
58134
59135
60139
61141

[1,2,6,8,9,13,15,16,20,22,23,27,29,30,34,36,37,41,
 43,44,48,50,51,55,57,58,62,64,65,69,71,72,76,78,
 79,83,85,86,90,92,93,97,99,100,104,106,107,111,
 113,114,118,120,121,125,127,128,132,134,135,139,
 141]