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A298420 as a simple table

na(n)
01
13
24
35
46
58
69
76
88
98
109
1112
128
1312
148
1513
1618
178
1816
1912
2016
2113
226
2316
248
2518
2620
2716
2815
2912
3024
3118
3216
3316
3412
3520
3617
3718
3816
3916
4030
4124
4216
4312
4416
4521
4624
4716
4816
4918
5020
5132
5218
5328
5424
5527
5620
5716
5824
5912
6032
6130
6224
6316
6418
6532
6625
6718
6832

[1,3,4,5,6,8,9,6,8,8,9,12,8,12,8,13,18,8,16,12,16,
 13,6,16,8,18,20,16,15,12,24,18,16,16,12,20,17,18,
 16,16,30,24,16,12,16,21,24,16,16,18,20,32,18,28,
 24,27,20,16,24,12,32,30,24,16,18,32,25,18,32]