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A307265 as a simple table

na(n)
01
11
21
32
45
512
627
758
8122
9257
10549
111190
122600
135683
1412367
1526749
1657530
17123202
18263115
19561131
201196248
212550975
225443115
2311620526
2424814735
2552979512
26113038103
27240936717
28512916683
291090501249
302315608462
314911611864
3210408318627
3322040127864

[1,1,1,2,5,12,27,58,122,257,549,1190,2600,5683,
 12367,26749,57530,123202,263115,561131,1196248,
 2550975,5443115,11620526,24814735,52979512,
 113038103,240936717,512916683,1090501249,
 2315608462,4911611864,10408318627,22040127864]