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A297663 as a simple table

na(n)
01
17
214
323
436
557
694
7163
8296
9557
101074
112103
124156
138257
1416454
1532843
1665616
17131157
18262234
19524383
201048676
212097257
224194414
238388723
2416777336
2533554557
2667108994
27134217863
28268435596
29536871057
301073741974
312147483803
324294967456
338589934757

[1,7,14,23,36,57,94,163,296,557,1074,2103,4156,
 8257,16454,32843,65616,131157,262234,524383,
 1048676,2097257,4194414,8388723,16777336,33554557,
 67108994,134217863,268435596,536871057,1073741974,
 2147483803,4294967456,8589934757]