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A275072 as a simple table

na(n)
01
11
21
31
41
51
62
74
88
916
1032
1180
12200
13500
141250
153125
169375
1728125
1884375
19253125
20759375
212632500
229126000
2331636800
24109674240
25380204032
261484258048
275794315072
2822620114608
2988305447412
30344730881243
311489305334237
326434092503083
3327796547414797

[1,1,1,1,1,1,2,4,8,16,32,80,200,500,1250,3125,
 9375,28125,84375,253125,759375,2632500,9126000,
 31636800,109674240,380204032,1484258048,
 5794315072,22620114608,88305447412,344730881243,
 1489305334237,6434092503083,27796547414797]