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A237006 as a simple table

na(n)
13518120
2760932408
3158569999540
452079122983140
514586236067453980
64486536180370819012
71315103087284839785936
8396130483326502441996992
9117485801067262213494961960
1035162370620635662915429252644

[3518120,760932408,158569999540,52079122983140,
 14586236067453980,4486536180370819012,
 1315103087284839785936,396130483326502441996992,
 117485801067262213494961960,
 35162370620635662915429252644]