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A273456 as a simple table

na(n)
04
18
28
312
416
512
620
732
828
916
1012
1144
1248
134
1468
1588
1656
17-36
18100
1960
2092
2132
2272
23208
2464
25-8
26120
27112
2888
29-32
30144
31256
3280
33-32
34200
35200
3664
3780
38144
39360
4072
41-72
42176
43232
44120
4564
46192
47360
48144
49-104
50288
51304
52168
53176
54168
55512
5664
57-104

[4,8,8,12,16,12,20,32,28,16,12,44,48,4,68,88,56,
 -36,100,60,92,32,72,208,64,-8,120,112,88,-32,144,
 256,80,-32,200,200,64,80,144,360,72,-72,176,232,
 120,64,192,360,144,-104,288,304,168,176,168,512,
 64,-104]