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A031923 as a simple table

na(n)
11
22
34
48
516
624
736
854
981
10135
11225
12375
13625
141000
151600
162560
174096
186656
1910816
2017576
2128561
2246137
2374529
24120393
25194481
26314874
27509796
28825384
291336336
302161720
313496900
325656750
339150625
3414807375
3523961025
3638773295
3762742241
38101515536

[1,2,4,8,16,24,36,54,81,135,225,375,625,1000,1600,
 2560,4096,6656,10816,17576,28561,46137,74529,
 120393,194481,314874,509796,825384,1336336,
 2161720,3496900,5656750,9150625,14807375,23961025,
 38773295,62742241,101515536]