A119166 - OEIS

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A119166 as a simple table

n	a(n)
1	55
2	2775
3	255255
4	577275
5	572755525755
6	2577527227575
7	727275225222727525
8	2257227755272522252275
9	52722757572552577725225
10	272527775757277272275522727772752527575

[55,2775,255255,577275,572755525755,2577527227575, 727275225222727525,2257227755272522252275, 52722757572552577725225, 272527775757277272275522727772752527575]