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A203232 as a simple table

na(n)
11
25
316
460
5156
6540
71296
84320
99936
1032400
1172576
12233280
13513216
141632960
153545856
1611197440
1724074496
1875582720
19161243136
20503884800
211068235776
223325639680
237014076416
2421767823360
2545712429056
26141490851840

[1,5,16,60,156,540,1296,4320,9936,32400,72576,
 233280,513216,1632960,3545856,11197440,24074496,
 75582720,161243136,503884800,1068235776,
 3325639680,7014076416,21767823360,45712429056,
 141490851840]