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A259721 as a simple table

na(n)
1722
21219
32858
45458
57076
616294
733846
851254
999106
10219106
11370024
12652886
131414066
142633049
154520036
169213528
1718221034
1832003265
1961343826
20123580357
21226046956
22418183961
23832221248
241576875191
252893948292
265623390081

[722,1219,2858,5458,7076,16294,33846,51254,99106,
 219106,370024,652886,1414066,2633049,4520036,
 9213528,18221034,32003265,61343826,123580357,
 226046956,418183961,832221248,1576875191,
 2893948292,5623390081]