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A049934 as a simple table

na(n)
11
21
31
44
58
616
732
864
9131
10259
11518
121036
132075
144154
158316
1616648
1733328
1866593
19133186
20266372
21532747
221065498
232131004
244262024
258524080
2617048227
2734096582
2868193423
29136387364
30272775767
31545553613
321091111388
332182231108

[1,1,1,4,8,16,32,64,131,259,518,1036,2075,4154,
 8316,16648,33328,66593,133186,266372,532747,
 1065498,2131004,4262024,8524080,17048227,34096582,
 68193423,136387364,272775767,545553613,1091111388,
 2182231108]