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A268506 as a simple table

na(n)
01
1120
2435456000
3569434649591808000000
41385378702517271000054360965120000000000
521488900044302744250061179567064173417691432878080000000000000000

[1,120,435456000,569434649591808000000,
 1385378702517271000054360965120000000000,
 21488900044302744250061179567064173417691432878080\
 000000000000000]