A202439 - OEIS

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A202439 as a simple table

n	a(n)
1	80
2	226
3	676
4	1890
5	5512
6	15314
7	45156
8	126066
9	375592
10	1052546
11	3159364
12	8876866
13	26794792
14	75431922
15	228696388

[80,226,676,1890,5512,15314,45156,126066,375592, 1052546,3159364,8876866,26794792,75431922, 228696388]