Numbers k such that k concatenated with itself gives the product of two numbers which differ by 6.
A116159
Numbers k such that k concatenated with itself gives the product of two numbers which differ by 6.
Terms
- a(0) =5a(1) =95a(2) =216a(3) =287a(4) =515a(5) =675a(6) =995a(7) =1175a(8) =4320a(9) =9995a(10) =82640a(11) =99995a(12) =960795a(13) =999995a(14) =1322312a(15) =4049591a(16) =9999995a(17) =16955015a(18) =34602080a(19) =99999995a(20) =171010235a(21) =181964891a(22) =183673467a(23) =187160072a(24) =321920055a(25) =326530616a(26) =328818032
External references
- oeis: A116159