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A221225 as a simple table

na(n)
11
23
33
48
535
68
721
8400
9400
1021
1155
124525
1318768
144525
1555
16144
1751025
18867776
19867776
2051025
21144
22377
23574800
2439983152
25161854465
2639983152
27574800
28377
29987
306473175
311840507104
3229983033601
3329983033601
341840507104
356473175
36987
372584

[1,3,3,8,35,8,21,400,400,21,55,4525,18768,4525,55,
 144,51025,867776,867776,51025,144,377,574800,
 39983152,161854465,39983152,574800,377,987,
 6473175,1840507104,29983033601,29983033601,
 1840507104,6473175,987,2584]