A254724 - OEIS

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A254724 as a simple table

n	a(n)
1	48168
2	364039
3	3438279
4	32264339
5	264545705
6	2224885924
7	18677147321
8	153918583667
9	1268250685728
10	10458492579846
11	86183587891979
12	709690257855269
13	5847481267996737
14	48174014678300694
15	396884576556559727

[48168,364039,3438279,32264339,264545705, 2224885924,18677147321,153918583667,1268250685728, 10458492579846,86183587891979,709690257855269, 5847481267996737,48174014678300694, 396884576556559727]