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A262507 as a simple table

na(n)
01
12
23
35
44
55
66
74
84
94
108
114
124
135
148
157
167
177
187
198
205
216
226
238
2410
257
268
277
287
295
305
316
326
338
346
357
367
377
384
395
405
416
426
438
447
455
465
476
487
4911
505
514
525
538
5412
557
569
575
588
598
609
6110
6214
6311
6412
6511
669
6711
6813
6912
7012
7111
7211
7311
7412
7512
7610
779
789
799
808
816
8210
839
8410
858
867
877
888
8911
9010
9110
9212
939
947
956
965
975
985
995
1004
1017
1028
1036
1047
1059
1067
1075
10811
10913
11013
1118
11210
11312
11413
11510
11612
11716
1189
1198
12012

[1,2,3,5,4,5,6,4,4,4,8,4,4,5,8,7,7,7,7,8,5,6,6,8,
 10,7,8,7,7,5,5,6,6,8,6,7,7,7,4,5,5,6,6,8,7,5,5,6,
 7,11,5,4,5,8,12,7,9,5,8,8,9,10,14,11,12,11,9,11,
 13,12,12,11,11,11,12,12,10,9,9,9,8,6,10,9,10,8,7,
 7,8,11,10,10,12,9,7,6,5,5,5,5,4,7,8,6,7,9,7,5,11,
 13,13,8,10,12,13,10,12,16,9,8,12]