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A054911 as a simple table

na(n)
00
11
21
31
41
51
61
71
81
92
102
112
123
133
144
155
166
179
1813
1916
2028
2140
2268
23117
24273
25665
262566
2717059
28374062

[0,1,1,1,1,1,1,1,1,2,2,2,3,3,4,5,6,9,13,16,28,40,
 68,117,273,665,2566,17059,374062]