Numbers k such that k*(k+2) gives the concatenation of two numbers m and m+4.
A116315
Numbers k such that k*(k+2) gives the concatenation of two numbers m and m+4.
Terms
- a(0) =3a(1) =6a(2) =44a(3) =55a(4) =38162a(5) =61837a(6) =83617a(7) =346979a(8) =653020a(9) =950050a(10) =8647554a(11) =9534264a(12) =8167822282a(13) =9007920991a(14) =9209900791a(15) =9950000500
External references
- oeis: A116315