A220549 - OEIS

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A220549 as a simple table

n	a(n)
1	5
2	108
3	1814
4	32173
5	565061
6	9943416
7	174911750
8	3077034244
9	54130248568
10	952245176313
11	16751640356635
12	294690365449276
13	5184113807856060
14	91197538858856819
15	1604322628219475789
16	28222813114190945744

[5,108,1814,32173,565061,9943416,174911750, 3077034244,54130248568,952245176313, 16751640356635,294690365449276,5184113807856060, 91197538858856819,1604322628219475789, 28222813114190945744]