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Year-end appeal: Please make a donation to the OEIS Foundation to support ongoing development and maintenance of the OEIS. We are now in our 61st year, we have over 378,000 sequences, and we’ve reached 11,000 citations (which often say “discovered thanks to the OEIS”).

A190872 as a simple table

na(n)
00
11
211
3112
41133
511455
6115808
71170793
811836451
9119663824
101209774005
1112230539639
12123647969984
131250052813073
1412637749213947
15127764766035760
161291672683467837
1713058516623824367
18132018628710857504
191334678266205013241
2013493293269857428115

[0,1,11,112,1133,11455,115808,1170793,11836451,
 119663824,1209774005,12230539639,123647969984,
 1250052813073,12637749213947,127764766035760,
 1291672683467837,13058516623824367,
 132018628710857504,1334678266205013241,
 13493293269857428115]