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A231033 as a simple table

na(n)
10
24
372
41344
520250
6375620
76620496
8114765278
92040092280
1036070020410
11636310267444
1211259982687398
13199143247111778
143520995724132754
1562277455575772414
161101469857027050006
1719480402257921072406

[0,4,72,1344,20250,375620,6620496,114765278,
 2040092280,36070020410,636310267444,
 11259982687398,199143247111778,3520995724132754,
 62277455575772414,1101469857027050006,
 19480402257921072406]