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A081097 as a simple table

na(n)
11
26
323
440
5273
61870
77343
812816
987841
10602070
112364359
124126648
1328284465
14193864606
15761316191
161328767776
179107509825
1862423800998
19245141449079
20427859097160
212932589879121
2220100270056686
2378934785287183

[1,6,23,40,273,1870,7343,12816,87841,602070,
 2364359,4126648,28284465,193864606,761316191,
 1328767776,9107509825,62423800998,245141449079,
 427859097160,2932589879121,20100270056686,
 78934785287183]