A205064 - OEIS

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A205064 as a simple table

n	a(n)
1	16
2	64
3	144
4	376
5	856
6	1984
7	4480
8	9856
9	22144
10	47104
11	105472
12	219136
13	489472
14	999424
15	2228224
16	4489216
17	9994240
18	19922944
19	44302336
20	87556096
21	194510848
22	381681664
23	847249408
24	1652555776
25	3665821696

[16,64,144,376,856,1984,4480,9856,22144,47104, 105472,219136,489472,999424,2228224,4489216, 9994240,19922944,44302336,87556096,194510848, 381681664,847249408,1652555776,3665821696]