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A321321 as a simple table

na(n)
11
23
35
46
57
69
711
812
913
1014
1117
1219
1321
1424
1525
1628
1731
1833
1935
2037
2141
2242
2348
2449
2556
2665
2767
2869
2973
3081
3187
3296
3397
34112
35129
36131
37133
38137
39145
40161
41167
42192
43193
44224
45257
46259
47261
48265
49273
50289
51321
52384
53385
54448
55513
56515
57517
58521
59529
60545

[1,3,5,6,7,9,11,12,13,14,17,19,21,24,25,28,31,33,
 35,37,41,42,48,49,56,65,67,69,73,81,87,96,97,112,
 129,131,133,137,145,161,167,192,193,224,257,259,
 261,265,273,289,321,384,385,448,513,515,517,521,
 529,545]