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A183219 as a simple table

na(n)
12
23
34
45
56
68
79
810
911
1012
1113
1214
1315
1416
1517
1619
1720
1821
1922
2023
2124
2225
2326
2427
2528
2629
2730
2831
2932
3033
3135
3236
3337
3438
3539
3640
3741
3842
3943
4044
4145
4246
4347
4448
4549
4650
4751
4852
4953
5054
5156
5257
5358
5459
5560
5661
5762
5863
5964
6065
6166
6267
6368
6469
6570
6671
6772
6873
6974
7075
7176
7277
7378
7479
7580
7682
7783
7884
7985
8086
8187
8288
8389
8490
8591
8692
8793
8894
8995
9096
9197
9298
9399
94100
95101
96102
97103
98104
99105
100106

[2,3,4,5,6,8,9,10,11,12,13,14,15,16,17,19,20,21,
 22,23,24,25,26,27,28,29,30,31,32,33,35,36,37,38,
 39,40,41,42,43,44,45,46,47,48,49,50,51,52,53,54,
 56,57,58,59,60,61,62,63,64,65,66,67,68,69,70,71,
 72,73,74,75,76,77,78,79,80,82,83,84,85,86,87,88,
 89,90,91,92,93,94,95,96,97,98,99,100,101,102,103,
 104,105,106]