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A219531 as a simple table

na(n)
01
12
24
38
416
532
664
7128
8256
9512
101024
112048
124095
138178
1416278
1532192
1663019
17121670
18230964
19430104
20784626
211401292
222449868
234194304
247036530
2511576916
2618696432
2729666704
2846295513
2971116846
30107636402
31160645504
32236618693
33344212906
34494889092

[1,2,4,8,16,32,64,128,256,512,1024,2048,4095,8178,
 16278,32192,63019,121670,230964,430104,784626,
 1401292,2449868,4194304,7036530,11576916,18696432,
 29666704,46295513,71116846,107636402,160645504,
 236618693,344212906,494889092]