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A265677 as a simple table

na(n)
11
21
34
423
5209
62301
729992
8450525
97666097
10145748085
113062086652
1270451319403
131761725152737
1447575849111097
151379912569740752
1642782608276446713
171411969570132526241
1849423093937535984041

[1,1,4,23,209,2301,29992,450525,7666097,145748085,
 3062086652,70451319403,1761725152737,
 47575849111097,1379912569740752,42782608276446713,
 1411969570132526241,49423093937535984041]