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A287180 as a simple table

na(n)
13
26
38
410
513
616
718
820
922
1024
1126
1229
1331
1433
1536
1639
1741
1843
1946
2049
2151
2253
2355
2457
2559
2662
2764
2866
2968
3070
3172
3274
3376
3478
3581
3683
3785
3888
3991
4093
4195
4297
4399
44101
45104
46106
47108
48111
49114
50116
51118
52121
53124
54126
55128
56130
57132
58134
59137
60139
61141

[3,6,8,10,13,16,18,20,22,24,26,29,31,33,36,39,41,
 43,46,49,51,53,55,57,59,62,64,66,68,70,72,74,76,
 78,81,83,85,88,91,93,95,97,99,101,104,106,108,111,
 114,116,118,121,124,126,128,130,132,134,137,139,
 141]