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A255553 as a simple table

na(n)
11
22
33
44
57
66
79
88
95
1010
1113
1212
1315
1414
1511
1616
1721
1818
1925
2020
2117
2222
2331
2424
2519
2626
2723
2828
2933
3030
3137
3232
3329
3434
3539
3636
3743
3838
3935
4040
4149
4242
4351
4444
4541
4646
4763
4848
4927
5050
5147
5252
5367
5454
5561
5656
5753
5858
5969
6060
6173
6262
6359
6464
6581
6666
6775
6868
6965
7070
7179
7272
7387
7474
7571
7676
7757
7878
7993
8080
8177
8282
8399
8484
85103
8686
8783
8888
89105
9090

[1,2,3,4,7,6,9,8,5,10,13,12,15,14,11,16,21,18,25,
 20,17,22,31,24,19,26,23,28,33,30,37,32,29,34,39,
 36,43,38,35,40,49,42,51,44,41,46,63,48,27,50,47,
 52,67,54,61,56,53,58,69,60,73,62,59,64,81,66,75,
 68,65,70,79,72,87,74,71,76,57,78,93,80,77,82,99,
 84,103,86,83,88,105,90]