Author studied many ways of writing selfie numbers, sometimes known by wild narcissistic numbers. There are numbers very much near to selfie-number, but are not complete selfie numbers. Let us write these types of numbers, as semi-selfie numbers, where numbers are written in terms of expressions with positive, and negative signs having same digits on both sides of the expressions, except the power values. For study on this kind of numbers in different situations, with positive sign, positive and negative signs, etc. see author’s work (click here). In this work our aim is bring patterns in semi-selfie numbers. See below some examples and link for download the work.
Link for download: Patterns in Semi-Selfie Numbers