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A250844 as a simple table

na(n)
116433
233191
3134033
46044737
540633543
650353607
7268435463
8268437857
9268452263
10274200257
111977343127
122245762199
132494358231
144471684631
154586471767
1613841567137
1721870016807
1821870117649
1952523350487
2054500676887
2178364166497
2292205451297
2397157445863

[16433,33191,134033,6044737,40633543,50353607,
 268435463,268437857,268452263,274200257,
 1977343127,2245762199,2494358231,4471684631,
 4586471767,13841567137,21870016807,21870117649,
 52523350487,54500676887,78364166497,92205451297,
 97157445863]