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A077056 as a simple table

na(n)
01
11
24
322
4140
5992
67584
761420
8520320
94570292
1041354416
11383609434
123634231140
1335059333218
14343580813492
153413862553800
1634336784362232
17349131316634164
183584622273967324
1937128374058146138
20387630493693010928

[1,1,4,22,140,992,7584,61420,520320,4570292,
 41354416,383609434,3634231140,35059333218,
 343580813492,3413862553800,34336784362232,
 349131316634164,3584622273967324,
 37128374058146138,387630493693010928]