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A143876 as a simple table

na(n)
01
12
23
327
426
51119
6921
7122658
874887
943743593
1018775998
1143803694319
1214699916393
13143879089856822
1434113001129873

[1,2,3,27,26,1119,921,122658,74887,43743593,
 18775998,43803694319,14699916393,143879089856822,
 34113001129873]