OFFSET
1,2
LINKS
Vincenzo Librandi, Table of n, a(n) for n = 1..200 (n = 42..200 corrected by Sean A. Irvine)
Sean A. Irvine, Java program (github)
FORMULA
The set { Product_{j=1..m} (k^j-1) for integers m > 1 and k > 1 }. - Sean A. Irvine, Feb 11 2020
CROSSREFS
KEYWORD
nonn
AUTHOR
EXTENSIONS
Offset corrected by Sean A. Irvine, Feb 11 2020
STATUS
approved