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A026942 as a simple table

na(n)
34
448
5469
64222
736715
8313912
92661888
1022486072
11189688752
121600198048
1313510004742
14114204762280
15966871825132
168199071477920
1769645535691958
18592592023212504
195050571335425668
2043114956743414712
21368632989326212821
223156551837806702698

[4,48,469,4222,36715,313912,2661888,22486072,
 189688752,1600198048,13510004742,114204762280,
 966871825132,8199071477920,69645535691958,
 592592023212504,5050571335425668,
 43114956743414712,368632989326212821,
 3156551837806702698]