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A131025 as a simple table

na(n)
11
21
33
42
55
63
79
86
916
1011
1127
1222
1350
1450
15101
16114
17215
18255
19471
20552
211024
221145
232169
242290
254460
264460
278921
288556
2917477
3016383
3133861
3231674
3365536
3462255
35127791
36124510
37252302
38252302
39504605
40514446
411019051
421048575
432067627

[1,1,3,2,5,3,9,6,16,11,27,22,50,50,101,114,215,
 255,471,552,1024,1145,2169,2290,4460,4460,8921,
 8556,17477,16383,33861,31674,65536,62255,127791,
 124510,252302,252302,504605,514446,1019051,
 1048575,2067627]