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A053869 as a simple table

na(n)
11
26
39
410
512
614
720
822
924
1025
1126
1228
1330
1434
1538
1640
1742
1844
1946
2048
2149
2252
2354
2456
2558
2660
2762
2866
2968
3070
3174
3276
3378
3480
3581
3682
3784
3886
3988
4090
4192
4294
4396
44102
45104
46106
47108
48110
49112
50114
51116
52118
53120
54121
55122
56124
57126
58130
59132
60134
61136
62138
63140

[1,6,9,10,12,14,20,22,24,25,26,28,30,34,38,40,42,
 44,46,48,49,52,54,56,58,60,62,66,68,70,74,76,78,
 80,81,82,84,86,88,90,92,94,96,102,104,106,108,110,
 112,114,116,118,120,121,122,124,126,130,132,134,
 136,138,140]