1868619823

Appears in sequences

• Iccanobirt numbers (3 of 15): a(n) = a(n-1) + R(a(n-2)) + R(a(n-3)), where R is the digit reversal function A004086.at n=29A102113
• Iccanobirt semiprimes (3 of 15): Semiprime numbers in A102113.at n=5A102193