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A211971 as a simple table

na(n)
01
11
22
34
46
510
616
724
836
954
1078
11112
12160
13224
14312
15432
16590
17802
181084
191452
201936
212568
223384
234440
245800
257538
269758
2712584
2816160
2920680
3026376
3133520
3242468
3353644
3467552
3584832
36106246
37132706
38165344
39205512
40254824
41315256
42389168
43479368

[1,1,2,4,6,10,16,24,36,54,78,112,160,224,312,432,
 590,802,1084,1452,1936,2568,3384,4440,5800,7538,
 9758,12584,16160,20680,26376,33520,42468,53644,
 67552,84832,106246,132706,165344,205512,254824,
 315256,389168,479368]