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A324280 as a simple table

na(n)
12
23
34
45
56
67
78
89
911
1012
1114
121
1315
1413
1516
1617
1718
1819
1921
2022
2123
2224
2325
2426
2528
2629
2727
2831
2932
3034
3135
3236
3333
3437
3538
3642
3739
3843
3944
4045
4141
4246
4348
4447
4549
4651
4752
4854
4953
5055
5156
5257
5358
5461
5562
5663
5764
5865
5959
6066
6167
6268
6372
6469
6573
6671
6774
6875
6976
7077
7178
7281
7382
7483
7579
7684
7785
7886
7988
8089
8187
8291
8392
8494
8595
8696

[2,3,4,5,6,7,8,9,11,12,14,1,15,13,16,17,18,19,21,
 22,23,24,25,26,28,29,27,31,32,34,35,36,33,37,38,
 42,39,43,44,45,41,46,48,47,49,51,52,54,53,55,56,
 57,58,61,62,63,64,65,59,66,67,68,72,69,73,71,74,
 75,76,77,78,81,82,83,79,84,85,86,88,89,87,91,92,
 94,95,96]