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A296033 as a simple table

na(n)
11
25
311
421
555
6125
7271
8645
91479
103325
117695
1217653
1340183
1492269
15211487
16483365
171107591
182537245
195806511
2013298005
2130454935
2269724365
23159661375
24365617029
25837155239
261916943229
274389542863
2810051119797
2923015247287
3052701125421

[1,5,11,21,55,125,271,645,1479,3325,7695,17653,
 40183,92269,211487,483365,1107591,2537245,5806511,
 13298005,30454935,69724365,159661375,365617029,
 837155239,1916943229,4389542863,10051119797,
 23015247287,52701125421]