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A287861 as a simple table

na(n)
136
2120
3180
4240
5360
6540
7720
81080
91200
101260
111680
122160
132520
143780
155040
167560
1710080
1815120
1925200

[36,120,180,240,360,540,720,1080,1200,1260,1680,
 2160,2520,3780,5040,7560,10080,15120,25200]