A183972 - OEIS

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A183972 as a simple table

n	a(n)
1	128
2	992
3	7688
4	64976
5	549152
6	4780976
7	41623688
8	366310352
9	3223723808
10	28480830608
11	251621342408
12	2226098835920
13	19694339040800
14	174322195009040
15	1542993019964552
16	13660022569173968
17	120931341993127712

[128,992,7688,64976,549152,4780976,41623688, 366310352,3223723808,28480830608,251621342408, 2226098835920,19694339040800,174322195009040, 1542993019964552,13660022569173968, 120931341993127712]