A359741 - OEIS

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A359741 as a simple table

n	a(n)
0	1
1	6
2	6
3	30
4	78
5	1134
6	1350
7	20574
8	23238
9	390606
10	496998
11	7614750
12	10987926
13	152120934
14	237122526
15	3110708214
16	5017927638
17	64718847438
18	105210653478
19	1362453235998

[1,6,6,30,78,1134,1350,20574,23238,390606,496998, 7614750,10987926,152120934,237122526,3110708214, 5017927638,64718847438,105210653478,1362453235998]