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A008492 as a simple table

na(n)
01
110
255
3220
4715
52002
65005
711440
824310
948620
1092377
11167950
12293875
13497200
14816475
151305502
162037970
173113110
184662515
196858280
209922627
2114139190
2219866145
2327551380
2437749910
2551143752
2668564485
2791018730
28119716795
29156104740
30201900127

[1,10,55,220,715,2002,5005,11440,24310,48620,
 92377,167950,293875,497200,816475,1305502,2037970,
 3113110,4662515,6858280,9922627,14139190,19866145,
 27551380,37749910,51143752,68564485,91018730,
 119716795,156104740,201900127]