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A264458 as a simple table

na(n)
61
739
8859
914531
10211877
112822490
1235642278
13437300537
145296987965
1563998700926
16776411239316
179499309138937
18117556007163447
191474385436584002
2018766076242349261
21242618101536221884
223187985361564230544
2342590476320847716703
24578630818810648513246

[1,39,859,14531,211877,2822490,35642278,437300537,
 5296987965,63998700926,776411239316,9499309138937,
 117556007163447,1474385436584002,
 18766076242349261,242618101536221884,
 3187985361564230544,42590476320847716703,
 578630818810648513246]