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A245158 as a simple table

na(n)
11
21
32
44
59
623
765
8199
9653
102275
118313
1231439
13121637
14477307
151888721
167509799
1729940861
18119550419
19477742889
201909988479
217637856725
2230546970411
23122178444417
24488693854679
251954733475629
267818845822083
2731275198738905

[1,1,2,4,9,23,65,199,653,2275,8313,31439,121637,
 477307,1888721,7509799,29940861,119550419,
 477742889,1909988479,7637856725,30546970411,
 122178444417,488693854679,1954733475629,
 7818845822083,31275198738905]