Composite numbers k with its divisors having the property that the last digit of every divisor is the same as the first digit of the next divisor.

A307858

Composite numbers k with its divisors having the property that the last digit of every divisor is the same as the first digit of the next divisor.

Terms

    a(0) =121a(1) =1111a(2) =1207a(3) =1331a(4) =1441a(5) =1661a(6) =1991a(7) =10201a(8) =11231a(9) =11341a(10) =11561a(11) =11671a(12) =11917a(13) =12001a(14) =12221a(15) =12661a(16) =12767a(17) =12881a(18) =12937a(19) =12991a(20) =13211a(21) =13231a(22) =13541a(23) =14201a(24) =14311a(25) =14531a(26) =14641a(27) =14971a(28) =15191a(29) =15251

External references