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A053297 as a simple table

na(n)
11
25
322
492
5372
61468
75688
821728
982064
10307088
111140320
124206912
1315434048
1456350912
15204875648
16742104064
172679197952
189644109056
1934623075840
20124001176576
21443136848896
221580464036864
235626501838848
2419996918849536

[1,5,22,92,372,1468,5688,21728,82064,307088,
 1140320,4206912,15434048,56350912,204875648,
 742104064,2679197952,9644109056,34623075840,
 124001176576,443136848896,1580464036864,
 5626501838848,19996918849536]