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A347805 as a simple table

na(n)
21
31
41
53
64
75
87
910
1016
1122
1230
1343
1462
1588
16123
17175
18249
19354
20502
21710
221006
231427
242024
252869
264068
275767
288176
2911593
3016436
3123301
3233033
3346832
3466398
3594137
36133461
37189211
38268252
39380315
40539192
41764433
421083764
431536498
442178364
453088365
464378502
476207581
488800750

[1,1,1,3,4,5,7,10,16,22,30,43,62,88,123,175,249,
 354,502,710,1006,1427,2024,2869,4068,5767,8176,
 11593,16436,23301,33033,46832,66398,94137,133461,
 189211,268252,380315,539192,764433,1083764,
 1536498,2178364,3088365,4378502,6207581,8800750]