OFFSET
1,1
EXAMPLE
14 -> 41 = 3*14 - 1. 37 -> 73 = 2*37 - 1. 316 -> 631 = 2*316 - 1.
CROSSREFS
KEYWORD
easy,nonn,base
AUTHOR
EXTENSIONS
Terms sorted by Sean A. Irvine, Aug 04 2020
STATUS
approved