311000

Appears in sequences

• Numbers n = d(0)d(1)d(2)...d(r) such that d(i) is the number of differences |d(i)-d(i-1)| equal to i in n, i = 1,2,...,r.at n=1A234512
• Irregular triangle read by rows: row n lists all of the distinct derivable strings in the MIU formal system that are n characters long.at n=37A369173