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A069943 as a simple table

na(n)
11
21
31
42
55
613
719
829
9191
10131
111187
122231
1317519
1471063
1529881
16323423
172887921
1813237457
192397389
2015030317
21742458253
223748521653
239670072483
2425451905333
2510932619111
2678684575461
274163946939067
2811799518538967
29136025604432743

[1,1,1,2,5,13,19,29,191,131,1187,2231,17519,71063,
 29881,323423,2887921,13237457,2397389,15030317,
 742458253,3748521653,9670072483,25451905333,
 10932619111,78684575461,4163946939067,
 11799518538967,136025604432743]