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A294344 as a simple table

na(n)
01
19
279
3679
45679
545679
6345679
72345679
812345679
912345679
10-987654321
11-20987654321
12-320987654321
13-4320987654321
14-54320987654321
15-654320987654321
16-7654320987654321
17-87654320987654321
18-987654320987654321
19-10987654320987654321
20-120987654320987654321

[1,9,79,679,5679,45679,345679,2345679,12345679,
 12345679,-987654321,-20987654321,-320987654321,
 -4320987654321,-54320987654321,-654320987654321,
 -7654320987654321,-87654320987654321,
 -987654320987654321,-10987654320987654321,
 -120987654320987654321]