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A264199 as a simple table

na(n)
116
21600
3194481
47535025
5442050625
628044191296
71785793904896
8105630130633104
96491295438667776
10399228109079760016
1124524466922827571456
121500134086448692638784

[16,1600,194481,7535025,442050625,28044191296,
 1785793904896,105630130633104,6491295438667776,
 399228109079760016,24524466922827571456,
 1500134086448692638784]