A234789 - OEIS

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A234789 as a simple table

n	a(n)
1	204
2	2504
3	30536
4	371976
5	4530424
6	55175944
7	671983416
8	8184025736
9	99672501944
10	1213902270984
11	14784004509496
12	180053035925896
13	2192849421966264
14	26706512126351624
15	325256163423006776
16	3961265003235768456

[204,2504,30536,371976,4530424,55175944,671983416, 8184025736,99672501944,1213902270984, 14784004509496,180053035925896,2192849421966264, 26706512126351624,325256163423006776, 3961265003235768456]