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A245352 as a simple table

na(n)
00
11
22
33
44
55
66
75
86
97
108
119
1210
1311
148
159
1610
1711
1812
1913
2014
219
2210
2311
2412
2513
2614
2715
2814
2915
3016
3117
3218
3319
3420
3513
3614
3715
3816
3917
4018
4119
4216
4317
4418
4519
4620
4721
4822
4913
5014
5115
5216
5317
5418
5519
5618
5719
5820
5921
6022
6123
6224
6319
6420
6521
6622
6723
6824

[0,1,2,3,4,5,6,5,6,7,8,9,10,11,8,9,10,11,12,13,14,
 9,10,11,12,13,14,15,14,15,16,17,18,19,20,13,14,15,
 16,17,18,19,16,17,18,19,20,21,22,13,14,15,16,17,
 18,19,18,19,20,21,22,23,24,19,20,21,22,23,24]