

A172100


Diagonal of the 26 X 26 Caesar Shift table.


0



3, 5, 7, 9, 11, 13, 15, 17, 19, 21, 23, 25, 1, 3, 5, 7, 9, 11, 13, 15, 17, 19, 21, 23, 25, 1
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OFFSET

1,1


LINKS

Table of n, a(n) for n=1..26.
Wikipedia, Ceasar cipher


FORMULA

a(n) = 1 + (2*n mod 26).


MATHEMATICA

Clear[a, n, m];
a = Table[1 + Mod[n + m, 26], {m, 1, 26}, {n, 1, 26}];
Table[a[[n, n]], {n, 1, Length[a]}]


CROSSREFS

Sequence in context: A137803 A059533 A189397 * A064679 A081874 A165747
Adjacent sequences: A172097 A172098 A172099 * A172101 A172102 A172103


KEYWORD

nonn,less,fini,full


AUTHOR

Roger L. Bagula, Jan 25 2010


EXTENSIONS

Keywords added, spelling corrected by the Assoc. Editors of the OEIS, Feb 02 2010


STATUS

approved



