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A191782 as a simple table

na(n)
11
23
36
413
524
649
790
8181
9335
10671
111253
122507
134718
149437
1517874
1635749
1768067
18136135
19260337
20520675
21999361
221998723
233848221
247696443
2514857999
2629715999
2757500459
28115000919
29222981434
30445962869
31866262914
321732525829
333370764539
346741529079
3513135064249

[1,3,6,13,24,49,90,181,335,671,1253,2507,4718,
 9437,17874,35749,68067,136135,260337,520675,
 999361,1998723,3848221,7696443,14857999,29715999,
 57500459,115000919,222981434,445962869,866262914,
 1732525829,3370764539,6741529079,13135064249]