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A249064 as a simple table

na(n)
11
22
33
45
54
67
79
811
913
108
1117
1219
1323
1425
1529
1631
1721
1837
1916
2041
2143
2247
2353
2459
2561
2667
2771
2873
2979
3083
3189
3297
33101
34103
35107
3622
37109
38113
3927
4035
41127
42131
43137
44139
45149
46151
47157
48163
49167
50169
51173
52179
53181
54191
55193
56197
57199
58211
5932
60121
61223
62227
63229
64233
65239
66241
6751
68251
69257
70263
71269
72271
73277
74281
75283
7649
7795

[1,2,3,5,4,7,9,11,13,8,17,19,23,25,29,31,21,37,16,
 41,43,47,53,59,61,67,71,73,79,83,89,97,101,103,
 107,22,109,113,27,35,127,131,137,139,149,151,157,
 163,167,169,173,179,181,191,193,197,199,211,32,
 121,223,227,229,233,239,241,51,251,257,263,269,
 271,277,281,283,49,95]