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A116912 as a simple table

na(n)
11
22
33
44
51
66
711
88
99
102
117
1212
1317
1422
153
1616
1713
1818
1923
204
2133
2214
2319
2424
251
2634
2727
2844
2925
306
3135
3232
3321
3426
3511
3636
3741
3846
3951
408
4137
4266
4347
4428
459
4638
4743
4848
49121
502
5139
5268
5349
5454
557
5688
5769
5850
5955
6012
6165
6270
6399
6464

[1,2,3,4,1,6,11,8,9,2,7,12,17,22,3,16,13,18,23,4,
 33,14,19,24,1,34,27,44,25,6,35,32,21,26,11,36,41,
 46,51,8,37,66,47,28,9,38,43,48,121,2,39,68,49,54,
 7,88,69,50,55,12,65,70,99,64]