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A218749 as a simple table

na(n)
00
11
247
32163
499499
54576955
6210539931
79684836827
8445502494043
920493114725979
10942683277395035
1143363430760171611
121994717814967894107
1391757019488523128923
144220822896472063930459
15194157853237714940801115
168931261248934887276851291
17410838017451004814735159387

[0,1,47,2163,99499,4576955,210539931,9684836827,
 445502494043,20493114725979,942683277395035,
 43363430760171611,1994717814967894107,
 91757019488523128923,4220822896472063930459,
 194157853237714940801115,
 8931261248934887276851291,
 410838017451004814735159387]