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A193766 as a simple table

na(n)
12
24
36
48
511
613
715
817
920
1022
1124
1226
1329
1431
1533
1635
1738
1840
1942
2044
2147
2249
2351
2453
2556
2658
2760
2862
2965
3067
3169
3271
3374
3476
3578
3680
3783
3885
3987
4089
4192
4294
4396
4498
45101
46103
47105
48107
49110
50112
51114
52116
53119
54121
55123
56125
57128
58130
59132
60134
61137

[2,4,6,8,11,13,15,17,20,22,24,26,29,31,33,35,38,
 40,42,44,47,49,51,53,56,58,60,62,65,67,69,71,74,
 76,78,80,83,85,87,89,92,94,96,98,101,103,105,107,
 110,112,114,116,119,121,123,125,128,130,132,134,
 137]