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A367474 as a simple table

na(n)
01
14
228
3272
43360
550256
6881616
717734944
8402278496
910155145344
10282329361024
118570500876032
12282047266728192
1310001430040080384
14380152962804068352
1515418451851593596928
16664633482628021493760
1730342827915683778027520

[1,4,28,272,3360,50256,881616,17734944,402278496,
 10155145344,282329361024,8570500876032,
 282047266728192,10001430040080384,
 380152962804068352,15418451851593596928,
 664633482628021493760,30342827915683778027520]