23232323

Appears in sequences

• Quadruplets: base 10 representation is the juxtaposition of four identical strings.at n=22A074843
• List of imprimitive words over the alphabet {2,3}.at n=27A213974
• Irregular triangle read by rows, in which row n lists the computation of the tag system T_C(3,2) with alphabet {1, 2, 3}, deletion number 2, and production rules 1 -> 23, 2 -> 1, 3 -> 111, when started from the word encoding n.at n=18A351849