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A270425 as a simple table

na(n)
11
22
33
44
57
66
75
88
99
1014
1119
1212
1313
1410
1529
1616
1725
1818
1911
2028
2115
2238
2323
2424
2517
2626
2727
2820
2955
3058
3137
3232
3341
3450
3573
3636
3731
3822
3939
4056
4167
4230
4349
4476
4563
4646
47117
4848
4959
5034
5175
5252
5379
5454
5577
5640
5733
58110
59129
60116
6147
6274
6321
6464
65155
6682
6757
68100
6993
70146
71221
7272
7335
7462
7551
7644
7771
7878
7953
80112
81113
82134
83227
8460

[1,2,3,4,7,6,5,8,9,14,19,12,13,10,29,16,25,18,11,
 28,15,38,23,24,17,26,27,20,55,58,37,32,41,50,73,
 36,31,22,39,56,67,30,49,76,63,46,117,48,59,34,75,
 52,79,54,77,40,33,110,129,116,47,74,21,64,155,82,
 57,100,93,146,221,72,35,62,51,44,71,78,53,112,113,
 134,227,60]