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A207098 as a simple table

na(n)
17
228
3112
4462
51904
67868
732531
8134517
9556259
102300219
119511719
1239332200
13162643507
14672550879
152781080236
1611500107101
1747554350602
18196643061212
19813143132135
203362446402726
2113904127534002
2257495269615906

[7,28,112,462,1904,7868,32531,134517,556259,
 2300219,9511719,39332200,162643507,672550879,
 2781080236,11500107101,47554350602,196643061212,
 813143132135,3362446402726,13904127534002,
 57495269615906]