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A283731 as a simple table

na(n)
10
2824
369972
42391696
585216204
62938694472
794357463834
82986938408668
993021621886856
102846643417330828
1186214103090062714
122587462630174734200
1377033354035819429518
142278742112362673266988
1567033714066407408675974

[0,824,69972,2391696,85216204,2938694472,
 94357463834,2986938408668,93021621886856,
 2846643417330828,86214103090062714,
 2587462630174734200,77033354035819429518,
 2278742112362673266988,67033714066407408675974]