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A005246 as a simple table

na(n)
01
11
21
32
43
57
611
726
841
997
10153
11362
12571
131351
142131
155042
167953
1718817
1829681
1970226
20110771
21262087
22413403
23978122
241542841
253650401
265757961
2713623482
2821489003
2950843527
3080198051
31189750626
32299303201
33708158977
341117014753

[1,1,1,2,3,7,11,26,41,97,153,362,571,1351,2131,
 5042,7953,18817,29681,70226,110771,262087,413403,
 978122,1542841,3650401,5757961,13623482,21489003,
 50843527,80198051,189750626,299303201,708158977,
 1117014753]