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A180439 as a simple table

na(n)
01
13
23
33
49
515
633
763
8153
9219
10261
11351
12585
13879
14933
151233
161401
171899
182301
193111

[1,3,3,3,9,15,33,63,153,219,261,351,585,879,933,
 1233,1401,1899,2301,3111]