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A320260 as a simple table

na(n)
10
20
31
41
53
68
713
810
919
1041
1144
1270
1383
1475
15100
16143
17167
18210
19188
20225
21290
22306
23322
24401
25503
26554
27481
28541
29634
30686
31848
32858
331048
34981
351203
361099
371468
381332
391421
401700
411646
421831
432054
442077
452135
462017
472356
482698
492712
502851
513022
523112
533386
543447
553838
563551
574062
583956
594466
604569

[0,0,1,1,3,8,13,10,19,41,44,70,83,75,100,143,167,
 210,188,225,290,306,322,401,503,554,481,541,634,
 686,848,858,1048,981,1203,1099,1468,1332,1421,
 1700,1646,1831,2054,2077,2135,2017,2356,2698,2712,
 2851,3022,3112,3386,3447,3838,3551,4062,3956,4466,
 4569]