A278675 - OEIS

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A278675 as a simple table

n	a(n)
1	56
2	1050
3	12727
4	134265
5	1378241
6	14437336
7	157706284
8	1809189550
9	21622163723
10	263667893290
11	3200723946503
12	37898709431669
13	431935945421546
14	4704720632893357
15	48828296440609470
16	482618940316582616

[56,1050,12727,134265,1378241,14437336,157706284, 1809189550,21622163723,263667893290,3200723946503, 37898709431669,431935945421546,4704720632893357, 48828296440609470,482618940316582616]