A230971 - OEIS

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A230971 as a simple table

n	a(n)
1	16
2	144
3	1024
4	9216
5	85264
6	767376
7	6885376
8	61968384
9	557904400
10	5021139600
11	45188555776
12	406697001984
13	3660288323344
14	32942594910096
15	296483216441344
16	2668348947972096
17	24015141771494416
18	216136275943449744

[16,144,1024,9216,85264,767376,6885376,61968384, 557904400,5021139600,45188555776,406697001984, 3660288323344,32942594910096,296483216441344, 2668348947972096,24015141771494416, 216136275943449744]