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A297189 as a simple table

na(n)
00
11
23
36
421
539
6141
7258
8939
91713
106243
1111382
1241493
1375639
14275757
15502674
161832619
173340641
1812179139
1922201062
2080939541
21147542727
22537904077
23980532258
243574776747
256516373521
2623757077283
2743306197846
28157883627541
29287802221079

[0,1,3,6,21,39,141,258,939,1713,6243,11382,41493,
 75639,275757,502674,1832619,3340641,12179139,
 22201062,80939541,147542727,537904077,980532258,
 3574776747,6516373521,23757077283,43306197846,
 157883627541,287802221079]