A358303 - OEIS

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A358303 as a simple table

n	a(n)
1	1
2	13
3	57
4	231
5	532
6	1497
7	2935
8	6031
9	10273
10	19680
11	29441
12	51261
13	74473
14	112721
15	159299
16	242763
17	317155
18	462930
19	598755

[1,13,57,231,532,1497,2935,6031,10273,19680,29441, 51261,74473,112721,159299,242763,317155,462930, 598755]