A304154 - OEIS

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A304154 as a simple table

n	a(n)
1	0
2	209
3	464
4	10182
5	100942
6	1100030
7	12806826
8	145611915
9	1634366796
10	18705511944
11	212059052175
12	2407657052300
13	27373214633586
14	310882017371350
15	3531677134837950
16	40125778624890437
17	455828883517634560

[0,209,464,10182,100942,1100030,12806826, 145611915,1634366796,18705511944,212059052175, 2407657052300,27373214633586,310882017371350, 3531677134837950,40125778624890437, 455828883517634560]