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A172316 as a simple table

na(n)
01
12
24
38
416
532
664
7127
8252
9500
10992
111968
123904
137744
1415361
1530470
1660440
17119888
18237808
19471712
20935680
211855999
223681528
237302616
2414485344
2528732880
2656994048
27113052416
28224248833
29444816138
30882329660

[1,2,4,8,16,32,64,127,252,500,992,1968,3904,7744,
 15361,30470,60440,119888,237808,471712,935680,
 1855999,3681528,7302616,14485344,28732880,
 56994048,113052416,224248833,444816138,882329660]