1387092

Appears in sequences

• Decimal representation of the middle column of the "Rule 137" elementary cellular automaton starting with a single ON (black) cell.at n=20A267515
• a(n) is the decimal representation of the binary number with string structure 10s00, s in {0,1}*, such that it results in a non-palindromic cycle of length 4 in the Reverse and Add! procedure in base 2 and is not in the trajectory of any m < a(n).at n=31A306516