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Reminder: The OEIS is hiring a new managing editor, and the application deadline is January 26.

A152490 as a simple table

na(n)
11
20
3-1
40
50
61
70
8-1
9-1
10-1
111
121
13-1
140
151
160
170
18-1
190
201
211
221
23-1
24-1

[1,0,-1,0,0,1,0,-1,-1,-1,1,1,-1,0,1,0,0,-1,0,1,1,
 1,-1,-1]