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A216588 as a simple table

na(n)
3126
41344
52930
628060
755230
8538744
9969378
1010066228
1116284862
12186362560
13265582226
143447630284
154238980734
1664031790664
1766561185858
181197008258212
191031815027710
2022548844488592
2115830131853490
22428115681210300
23240803790623806
248188893146929816

[126,1344,2930,28060,55230,538744,969378,10066228,
 16284862,186362560,265582226,3447630284,
 4238980734,64031790664,66561185858,1197008258212,
 1031815027710,22548844488592,15830131853490,
 428115681210300,240803790623806,8188893146929816]