Numbers n such that A112131(n) and A112131(n+1) are both Harshad numbers.
A109464
Numbers n such that A112131(n) and A112131(n+1) are both Harshad numbers.
Terms
- a(0) =9a(1) =103207a(2) =106039a(3) =150200a(4) =172003a(5) =303714a(6) =370649a(7) =544019a(8) =952640a(9) =1000129a(10) =1089247a(11) =1104024a(12) =1124514a(13) =1243264a(14) =1668275a(15) =2030120a(16) =2060910a(17) =2304925a(18) =2330000
External references
- oeis: A109464