Given a number n and a pattern that follows like: (1 to 26): a,b,c,….z (27 to 52): aa,ab,ac,…az (52 to 78): ba,bb,bc,…bz . . . za,zb,zc,…zz aaa,aab,aac,…aaz aba,abb,abc,… . . . find the nth pattern
Combinatorics..
Given a number n and a pattern that follows like: (1 to 26): a,b,c,….z (27 to 52): aa,ab,ac,…az (52 to 78): ba,bb,bc,…bz . . . za,zb,zc,…zz aaa,aab,aac,…aaz aba,abb,abc,… . . . find the nth pattern