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A300498 as a simple table

na(n)
11
22
32
44
57
64
78
818
918
108
1116
1250
1352
1450
1516
1632
17138
18143
19143
20138
2132
2264
23383
24412
25499
26412
27383
2864
29128
301063
311225
321513
331513
341225
351063
36128
37256
382951
393699
404686
415837
424686
433699
442951
45256
46512
478193
4811243
4914822
5019412
5119412
5214822
5311243

[1,2,2,4,7,4,8,18,18,8,16,50,52,50,16,32,138,143,
 143,138,32,64,383,412,499,412,383,64,128,1063,
 1225,1513,1513,1225,1063,128,256,2951,3699,4686,
 5837,4686,3699,2951,256,512,8193,11243,14822,
 19412,19412,14822,11243]