A219082 - OEIS

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A219082 as a simple table

n	a(n)
1	1
2	547
3	18499
4	477309
5	14228041
6	433704331
7	12998933707
8	389034040749
9	11664778284009
10	349775255769979
11	10486116624897067
12	314370999692984261
13	9424956803519213353
14	282563157923689218059
15	8471313961048080841195

[1,547,18499,477309,14228041,433704331, 12998933707,389034040749,11664778284009, 349775255769979,10486116624897067, 314370999692984261,9424956803519213353, 282563157923689218059,8471313961048080841195]