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A277893 as a simple table

na(n)
20
34
46
59
68
725
810
912
1018
1149
1214
1393
1415
1516
1620
17169
1822
19287
2021
2126
2224
23361
2430
2533
2627
2728
2834
29529
3032
31802
3240
3335
3436
3544
3638
37934
3839
3948
4042
411333
4246
431681
4445
4551
4654
471754
4850
4958
5052
5155
5264
532209
5456
5557
5666
5760
5865
592809
6062
612966
6263
6368
6474
6577
6670

[0,4,6,9,8,25,10,12,18,49,14,93,15,16,20,169,22,
 287,21,26,24,361,30,33,27,28,34,529,32,802,40,35,
 36,44,38,934,39,48,42,1333,46,1681,45,51,54,1754,
 50,58,52,55,64,2209,56,57,66,60,65,2809,62,2966,
 63,68,74,77,70]