Vladimir, in the arXiv paper, Peter's name got a strange spelling "Lashny". This should be corrected, as can be seen in the mail header below. From: SeqFan [seqfan-bounces at list.seqfan.eu] on behalf of Peter Luschny [ peter.luschny at gmail.com] Sent: 08 August 2017 19:18 Hugo Pfoertner