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A051167 as a simple table

na(n)
148988659276962496
2391909274215699968
3490593422681271000
41322693800477987392
53135274193725599744
63924747381450168000
76123582409620312000
86355491080314102272
910581550403823899136

[48988659276962496,391909274215699968,
 490593422681271000,1322693800477987392,
 3135274193725599744,3924747381450168000,
 6123582409620312000,6355491080314102272,
 10581550403823899136]