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A346970 as a simple table

na(n)
12
23
35
410
521
655
7182
8357
91105
102958
1116588
1251243
13106981
14608685
153003455
167497910
1752350909
18168539462
191822961393
203079378759

[2,3,5,10,21,55,182,357,1105,2958,16588,51243,
 106981,608685,3003455,7497910,52350909,168539462,
 1822961393,3079378759]