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A287268 as a simple table

na(n)
13
26
37
49
513
616
717
819
921
1023
1127
1229
1335
1438
1539
1641
1745
1848
1949
2051
2153
2255
2359
2461
2565
2667
2771
2873
2979
3082
3183
3285
3389
3491
3597
36100
37103
38106
39107
40109
41113
42116
43117
44119
45121
46123
47127
48129
49135
50138
51139
52141
53145
54148
55149
56151
57153
58155
59159

[3,6,7,9,13,16,17,19,21,23,27,29,35,38,39,41,45,
 48,49,51,53,55,59,61,65,67,71,73,79,82,83,85,89,
 91,97,100,103,106,107,109,113,116,117,119,121,123,
 127,129,135,138,139,141,145,148,149,151,153,155,
 159]