How to copy a Google Sheets cell n times to adjacent row cells when n=cell value?

Question

Google Sheets

There is an array of the type: It is

necessary to fill with the value of the second cell of the row n neighboring cells on the left, where n = the value of the first cell of the row.
Desired result example:

Is it possible to solve this problem without plugins, using GSheets built-in tools alone?

Answer 1

The formula SLIPTseems rational
=IFERROR(SPLIT(REPT(B2&"|";A2);"|");"")

In addition, supports ARRAYFORMULA

=ARRAYFORMULA(IFERROR(SPLIT(REPT(B2:B&"|";A2:A);"|");""))

Table with example .