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A255486 as a simple table

na(n)
01
14
24
310
44
512
610
718
84
916
1012
1128
1210
1328
1418
1538
164
1716
1816
1940
2012
2140
2228
2352
2410
2540
2628
2764
2818
2952
3038
3174
324
3316
3416
3540
3616
3748
3840
3972
4012
4148
4240
4396
4428
4588
4652
47108
4810
4940
5040
51100
5228
5396
5464
55120
5618
5772
5852
59120
6038

[1,4,4,10,4,12,10,18,4,16,12,28,10,28,18,38,4,16,
 16,40,12,40,28,52,10,40,28,64,18,52,38,74,4,16,16,
 40,16,48,40,72,12,48,40,96,28,88,52,108,10,40,40,
 100,28,96,64,120,18,72,52,120,38]