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A305897 as a simple table

na(n)
11
22
32
43
52
64
72
85
93
106
112
127
132
148
154
169
172
1810
192
2011
216
2212
232
2413
253
2614
275
2815
292
3016
312
3217
338
3418
354
3619
372
3820
3912
4021
412
4222
432
4423
457
4624
472
4825
493
5026
5114
5227
532
5428
556
5629
5718
5830
592
6031
612
6232
6311
6433
658
6634
672
6835
6920
7036
712
7237
732
7438
7510
7639
774
7840
792
8041
819
8242
832
8443
8512
8644
8724
8845
892
9046
916
9247
9330
9448
9514
9649
972
9850
9915
10051
1012
10252
1032
10453
10516

[1,2,2,3,2,4,2,5,3,6,2,7,2,8,4,9,2,10,2,11,6,12,2,
 13,3,14,5,15,2,16,2,17,8,18,4,19,2,20,12,21,2,22,
 2,23,7,24,2,25,3,26,14,27,2,28,6,29,18,30,2,31,2,
 32,11,33,8,34,2,35,20,36,2,37,2,38,10,39,4,40,2,
 41,9,42,2,43,12,44,24,45,2,46,6,47,30,48,14,49,2,
 50,15,51,2,52,2,53,16]