A230943 - OEIS

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A230943 as a simple table

n	a(n)
1	16
2	34
3	724
4	1994
5	28128
6	76682
7	1144652
8	3107746
9	46058744
10	125263570
11	1857863476
12	5050618938
13	74908095984
14	203655079130
15	3020446141788
16	8211674722322
17	121789649054696
18	331109620080930
19	4910772371719684

[16,34,724,1994,28128,76682,1144652,3107746, 46058744,125263570,1857863476,5050618938, 74908095984,203655079130,3020446141788, 8211674722322,121789649054696,331109620080930, 4910772371719684]