1. Narayana’s cows and delayed morphisms;Allouche;J. d’Inform. Music.,1996
2. Narayana_Panditahttps://en.wikipedia.org/wiki/Narayana_Pandita_(mathematician)
3. The On-Line Encyclopedia of Integer Sequenceshttps://oeis.org
4. The Piggy Bank Cryptographic Trope;Kak;Infocommun. J.,2014
5. On decimal sequences (Corresp.)