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A277191 as a simple table

na(n)
00
12
22
34
45
55
67
77
89
910
1010
1113
1212
1315
1416
1515
1618
1719
1820
1920
2024
2121
2225
2326
2426
2527
2630
2730
2831
2933
3033
3133
3237
3337
3438
3540
3642
3741
3843
3944
4046
4146
4248
4347
4451
4550
4651
4755
4853
4956
5057
5158
5261
5361
5464
5561
5663
5766
5869
5965
6068
6171
6273
6370
6474
6575
6676
6777
6879
6979
7081
7185
7280
7386
7485
7585
7689
7790
7891
7991
8092
8195
8295
8398
8495
85100

[0,2,2,4,5,5,7,7,9,10,10,13,12,15,16,15,18,19,20,
 20,24,21,25,26,26,27,30,30,31,33,33,33,37,37,38,
 40,42,41,43,44,46,46,48,47,51,50,51,55,53,56,57,
 58,61,61,64,61,63,66,69,65,68,71,73,70,74,75,76,
 77,79,79,81,85,80,86,85,85,89,90,91,91,92,95,95,
 98,95,100]