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A290997 as a simple table

na(n)
00
10
21
33
46
512
627
763
8143
9315
10684
111479
123195
136903
1414932
1532361
1670266
17152775
18332397
19723330
201573829
213423444
227444722
2316185939
2435185779
2576483890
26166253545
27361396431
28785621808
291707884880
303712912632
318071922817
3217548551692
3338150905170

[0,0,1,3,6,12,27,63,143,315,684,1479,3195,6903,
 14932,32361,70266,152775,332397,723330,1573829,
 3423444,7444722,16185939,35185779,76483890,
 166253545,361396431,785621808,1707884880,
 3712912632,8071922817,17548551692,38150905170]