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A072335 as a simple table

na(n)
01
14
216
360
4225
5840
63136
711704
843681
9163020
10608400
112270580
128473921
1331625104
14118026496
15440480880
161643897025
176135107220
1822896531856
1985451020204
20318907548961
211190179175640
224441809153600
2316577057438760
2461866420601441
25230888624967004

[1,4,16,60,225,840,3136,11704,43681,163020,608400,
 2270580,8473921,31625104,118026496,440480880,
 1643897025,6135107220,22896531856,85451020204,
 318907548961,1190179175640,4441809153600,
 16577057438760,61866420601441,230888624967004]