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A277847 as a simple table

na(n)
11
22
32
42
52
64
74
82
94
104
116
124
134
148
154
162
172
188
1910
204
218
2212
2312
244
256
268
2710
288
298
308
3116
322
3312
344
358
368
3710
3820
398
404
416
4216
4322
4412
458
4624
4724
484
4922
5012
514
528
5314
5420
5512
568
5720
5816
5930
608
6116
6232
6316
642
658
6624
6734
684
6924
7016
7136
728
7310
7420
7512
7620
7724
7816
7940
804
8128
8212
8342
8416
854
8644

[1,2,2,2,2,4,4,2,4,4,6,4,4,8,4,2,2,8,10,4,8,12,12,
 4,6,8,10,8,8,8,16,2,12,4,8,8,10,20,8,4,6,16,22,12,
 8,24,24,4,22,12,4,8,14,20,12,8,20,16,30,8,16,32,
 16,2,8,24,34,4,24,16,36,8,10,20,12,20,24,16,40,4,
 28,12,42,16,4,44]