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A097290 as a simple table

na(n)
11
22
33
45
54
66
78
811
97
109
1113
1216
1312
1410
1514
1618
1721
1823
1917
2015
2119
2225
2328
2430
2524
2622
2720
2826
2932
3035
3137
3239
3331
3429
3527
3633
3741
3844
3946
4048
4140
4238
4336
4434
4542
4650
4753
4855
4957
5059
5149
5247
5345
5443
5551
5661
5764
5866
5968
6070
6160
6258
6356
6454
6552
6662
6772
6875
6977
7079
7181
7283

[1,2,3,5,4,6,8,11,7,9,13,16,12,10,14,18,21,23,17,
 15,19,25,28,30,24,22,20,26,32,35,37,39,31,29,27,
 33,41,44,46,48,40,38,36,34,42,50,53,55,57,59,49,
 47,45,43,51,61,64,66,68,70,60,58,56,54,52,62,72,
 75,77,79,81,83]