A132939 Concatenate Motzkin numbers (A001006).
1, 11, 112, 1124, 11249, 1124921, 112492151, 112492151127, 112492151127323, 112492151127323835, 1124921511273238352188, 11249215112732383521885798, 1124921511273238352188579815511, 112492151127323835218857981551141835
Offset: 0
Extensions
a(13) corrected by Georg Fischer, Dec 30 2022