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A275427 as a simple table

na(n)
01
11
21
32
45
511
631
7106
8337
91206
105031
1120241
1286901
13421422
142014377
1510015461
1654946881
17301009311
181692429867
1910319449158
2063321896601
21395830490301
222648669976261
2317920165424382
24122976000215289
25894420751179276
266596034524038701
2749207275464475051

[1,1,1,2,5,11,31,106,337,1206,5031,20241,86901,
 421422,2014377,10015461,54946881,301009311,
 1692429867,10319449158,63321896601,395830490301,
 2648669976261,17920165424382,122976000215289,
 894420751179276,6596034524038701,
 49207275464475051]