Journal of Integer Sequences, Vol. 21 (2018), Article 18.6.1 |
Péter Hajnal
Bolyai Institute
University of Szeged
H-6720 Szeged, Dugonics square 13
Hungary
and
Alfréd Rényi Institute of Mathematics
Hungarian Academy of Sciences
1245 Budapest, P.O. Box 1000
Hungary
Abstract:
(Concerned with sequences
A008277
A008282
A099594.)
Received April 6 2018; revised versions received April 10 2018; July 6 2018. Published in Journal of Integer Sequences, July 11 2018.