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A002041 as a simple table

na(n)
11
26
335
4180
5921
64626
723215
8116160
9581141
102906046
1114531595
1272659340
13363302161
141816516266
159082603175
1645413037720
17227065275981
181135326467286
195676632685955
2028383163779300
21141915820294601
22709579102871106
233547895519947935
2417739477605332080
2588697388049030021

[1,6,35,180,921,4626,23215,116160,581141,2906046,
 14531595,72659340,363302161,1816516266,9082603175,
 45413037720,227065275981,1135326467286,
 5676632685955,28383163779300,141915820294601,
 709579102871106,3547895519947935,
 17739477605332080,88697388049030021]