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A026713 as a simple table

na(n)
01
11
22
34
47
512
622
739
866
9118
10208
11350
12619
131085
141820
153198
165582
179344
1816347
1928443
2047542
2182910
22143909
23240276
24418024
25724191
261208106
272097918
283628929
296049752
3010490112
3118123181
3230196610
3352297856

[1,1,2,4,7,12,22,39,66,118,208,350,619,1085,1820,
 3198,5582,9344,16347,28443,47542,82910,143909,
 240276,418024,724191,1208106,2097918,3628929,
 6049752,10490112,18123181,30196610,52297856]