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A173787 as a simple table

na(n)
00
11
20
33
42
50
67
76
84
90
1015
1114
1212
138
140
1531
1630
1728
1824
1916
200
2163
2262
2360
2456
2548
2632
270
28127
29126
30124
31120
32112
3396
3464
350
36255
37254
38252
39248
40240
41224
42192
43128
440
45511
46510
47508
48504
49496
50480
51448
52384
53256
540
551023
561022
571020
581016
591008
60992
61960
62896
63768
64512
650

[0,1,0,3,2,0,7,6,4,0,15,14,12,8,0,31,30,28,24,16,
 0,63,62,60,56,48,32,0,127,126,124,120,112,96,64,0,
 255,254,252,248,240,224,192,128,0,511,510,508,504,
 496,480,448,384,256,0,1023,1022,1020,1016,1008,
 992,960,896,768,512,0]