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A171910 as a simple table

na(n)
11
26
392
4406
51549
65361
712546
841908
9141121
10431822
111628048
124657633
1312917328
1440604969
15109205859
16366567325

[1,6,92,406,1549,5361,12546,41908,141121,431822,
 1628048,4657633,12917328,40604969,109205859,
 366567325]