|Journal of Integer Sequences, Vol. 25 (2022), Article 22.3.2|
Faculty of Computer Science
University of Sciences and Technology Houari Boumediene (USTHB)
BP 32, El Alia, 16111
Bab Ezzouar, Algiers
(Concerned with sequences A000032 A000045 A000071 A001610 A001924 A023548.)
Received November 27 2021; revised version received March 8 2022. Published in Journal of Integer Sequences, March 10 2022.