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A292408 as a simple table

na(n)
11
25
346
4669
511096
6196888
73596104
866867564
91258801076
1023925376862
11458284630844
128835496339452
13171286387714900
143336406717216564
1565257828878990784
161281049596756607960
1725228921286295314736
18498287389997552607290
199866927329534881618772
20195837489338961245840240

[1,5,46,669,11096,196888,3596104,66867564,
 1258801076,23925376862,458284630844,8835496339452,
 171286387714900,3336406717216564,
 65257828878990784,1281049596756607960,
 25228921286295314736,498287389997552607290,
 9866927329534881618772,195837489338961245840240]