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A251859 as a simple table

na(n)
11
26
35
410
53
62
78
87
913
1020
1130
1228
1327
1426
1535
1658
1745
1856
1955
2021
2196
22142
2353
2493
25262
2614
27139
2812
29195
3047
3187
3257
33214
34404
35133
36255
3781
38252
3937
4036
41187
42128
43127
44479
4575
46572
47477
48313
4970
50475
51179
5268
53241
54310
5519
5698
57115
58469
59762
60114
61234
6294
63302
64231
651238
66229
67298
68376
6950
70161

[1,6,5,10,3,2,8,7,13,20,30,28,27,26,35,58,45,56,
 55,21,96,142,53,93,262,14,139,12,195,47,87,57,214,
 404,133,255,81,252,37,36,187,128,127,479,75,572,
 477,313,70,475,179,68,241,310,19,98,115,469,762,
 114,234,94,302,231,1238,229,298,376,50,161]