A188870 - OEIS

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A188870 as a simple table

n	a(n)
1	24
2	576
3	11332
4	233756
5	4805140
6	98892196
7	2035428944
8	41894114820
9	862288002496
10	17748103310980
11	365301608074080
12	7518846739068100
13	154757206783943744
14	3185301402740998148
15	65561696535791184736

[24,576,11332,233756,4805140,98892196,2035428944, 41894114820,862288002496,17748103310980, 365301608074080,7518846739068100, 154757206783943744,3185301402740998148, 65561696535791184736]