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A127817 as a simple table

na(n)
12
27
36
45
538
6723
774
82592842671511
911
103827
1114
12717
1334
1459035
1521
16259
17152
18237
1962
20626131
2130
22169
2358
2425
2556
261921
2739
28361
2965
3049
3163010
32287
3348
3455
3546
3663
37932
383786791
3969
4069637
41230
42221
436707
441057
4557
464907
47253
48681
49148
50393217991
5170

[2,7,6,5,38,723,74,2592842671511,11,3827,14,717,
 34,59035,21,259,152,237,62,626131,30,169,58,25,56,
 1921,39,361,65,49,63010,287,48,55,46,63,932,
 3786791,69,69637,230,221,6707,1057,57,4907,253,
 681,148,393217991,70]