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A197202 as a simple table

na(n)
12
216
3100
4588
53649
622210
7135560
8827698
95055418
1030875671
11188551113
121151456304
137031841993
1442943005672
15262250032226
161601541435978
179780493464535
1859728749093644
19364759066990417
202227556706954487

[2,16,100,588,3649,22210,135560,827698,5055418,
 30875671,188551113,1151456304,7031841993,
 42943005672,262250032226,1601541435978,
 9780493464535,59728749093644,364759066990417,
 2227556706954487]