A059622 - OEIS

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A059622 as a simple table

n	a(n)
1	2
2	4
3	16
4	24
5	32
6	40
7	120
8	124
9	144
10	172
11	186
12	376
13	700
14	1232
15	1264
16	2894
17	5054
18	14826
19	16498
20	18348
21	33416
22	58082
23	59972
24	64290
25	103662

[2,4,16,24,32,40,120,124,144,172,186,376,700,1232, 1264,2894,5054,14826,16498,18348,33416,58082, 59972,64290,103662]