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A280753 as a simple table

na(n)
11
23
33
47
52
67
715
85
921
1015
1131
123
13651
14186
1531
1663
177
18651
19651
20651
2163
22127
234
2411811
2515748
2611811
27762
28127
29255
309
3166929
32602361
33602361
3410795
3532385
36255

[1,3,3,7,2,7,15,5,21,15,31,3,651,186,31,63,7,651,
 651,651,63,127,4,11811,15748,11811,762,127,255,9,
 66929,602361,602361,10795,32385,255]