68870

Appears in sequences

• Fibonacci sequence beginning 4, 14.at n=19A022383
• Start with a(0) = 0; then a(n) = smallest number > a(n-1) such that a(n) divides concat(a(n), a(n-1), ..., a(0)).at n=36A250746
• Starts of runs of 3 consecutive Catalan-Niven numbers (A352508).at n=18A352510