15 Years On 15 Years On 15 Years On is the eleventh studio album by the Irish folk band The Dubliners. This album was created to celebrate the band's 15th anniversary from the day they started music together. The album was released on the Chyme label in 1977. The album features 24 tracks on two records (nine of which were previously unreleased). In spite of having only nine previously unreleased tracks, it is still regarded as an original album. The group's line-up consisted of Barney McKenna, Luke Kelly, John Sheahan and Jim McCann. (Ronnie Drew and Ciarán Bourke feature on a number of
Skew binary number system Skew binary number system The skew binary number system is a non-standard positional numeral system in which the "n"th digit contributes a value of formula_1 times the digit (digits are indexed from 0) instead of formula_2 times as they do in binary. Each digit has a value of 0, 1, or 2. Notice that a number can have many skew binary representations. For example, a decimal number 15 can be written as 1000, 201 and 122. Each number can be written uniquely in skew binary canonical form where there is only at most one instance of the digit 2, which