1,1

Famous in numerology as a square of power.

Latin square sum gematria digits sum are 10:

A=1,..., Z=26

SATOR

AREPO

TENET

OPERA

ROTAS

The square can be read top to bottom, bottom to top, left to right, right to left, boustrophedon (due to the free word order in Latin), etc. - Charles R Greathouse IV, Sep 08 2012

Table of n, a(n) for n=1..5.

Wikipedia, Sator Square

Sequence in context: A102050 A057446 A033393 * A179516 A180558 A260555

Adjacent sequences: A153643 A153644 A153645 * A153647 A153648 A153649

nonn,word,fini,full

Roger L. Bagula, Dec 30 2008

approved