A252007 - OEIS

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A252007 as a simple table

n	a(n)
1	756
2	1602
3	1434
4	3814
5	23074
6	159514
7	630978
8	9398338
9	147443266
10	727410882
11	26971790466
12	1008740372610
13	5759534502402
14	540841653481602
15	49879708292944002
16	312661278003193602
17	75268795781720633602

[756,1602,1434,3814,23074,159514,630978,9398338, 147443266,727410882,26971790466,1008740372610, 5759534502402,540841653481602,49879708292944002, 312661278003193602,75268795781720633602]