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A116702 as a simple table

na(n)
11
22
35
413
532
674
7163
8347
9722
101480
113005
126065
1312196
1424470
1549031
1698167
17196454
18393044
19786241
201572653
213145496
226291202
2312582635
2425165523
2550331322
26100662944
27201326213
28402652777
29805305932
301610612270
313221224975
326442450415
3312884901326

[1,2,5,13,32,74,163,347,722,1480,3005,6065,12196,
 24470,49031,98167,196454,393044,786241,1572653,
 3145496,6291202,12582635,25165523,50331322,
 100662944,201326213,402652777,805305932,
 1610612270,3221224975,6442450415,12884901326]