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A049723 as a simple table

na(n)
01
14
24
39
46
59
618
713
813
918
1029
1122
1215
1322
1429
1546
1633
1726
1826
1933
2046
2163
2250
2339
2435
2539
2650
2763
2882
2967
3054
3146
3246
3354
3467
3582
36107
3788
3871
3960
4056
4160
4271
4388
44107
45136
46115
4796
4879
4975
5075
5179
5296
53115
54136
55169
56140
57119
58100

[1,4,4,9,6,9,18,13,13,18,29,22,15,22,29,46,33,26,
 26,33,46,63,50,39,35,39,50,63,82,67,54,46,46,54,
 67,82,107,88,71,60,56,60,71,88,107,136,115,96,79,
 75,75,79,96,115,136,169,140,119,100]