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A229389 as a simple table

na(n)
1560
268672
35212236
4345788172
522494002188
61451228983308
793250181644300
85979900142878732
9383094040360124428
1024530192376561401868
111570321873470780080140
12100513065865910817914892

[560,68672,5212236,345788172,22494002188,
 1451228983308,93250181644300,5979900142878732,
 383094040360124428,24530192376561401868,
 1570321873470780080140,100513065865910817914892]