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A082761 as a simple table

na(n)
01
14
220
3104
4544
52848
614912
778080
8408832
92140672
1011208704
1158689536
12307302400
131609056256
148425127936
1544114542592
16230986743808
171209462292480
186332826779648
1933159111507968
20173623361929216
21909103725543424
224760128905543680
2324924358531088384
24130505635564355584

[1,4,20,104,544,2848,14912,78080,408832,2140672,
 11208704,58689536,307302400,1609056256,8425127936,
 44114542592,230986743808,1209462292480,
 6332826779648,33159111507968,173623361929216,
 909103725543424,4760128905543680,
 24924358531088384,130505635564355584]