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A108812 11^n mod 50. 0
1, 11, 21, 31, 41, 1, 11, 21, 31, 41, 1, 11, 21, 31, 41, 1, 11, 21, 31, 41, 1, 11, 21, 31, 41, 1, 11, 21, 31, 41, 1, 11, 21, 31, 41, 1, 11, 21, 31, 41, 1, 11, 21, 31, 41, 1, 11, 21, 31, 41, 1, 11, 21, 31, 41, 1, 11, 21, 31, 41, 1, 11, 21, 31, 41, 1, 11, 21, 31, 41, 1, 11, 21, 31, 41 (list; graph; refs; listen; history; internal format)
OFFSET

0,2

COMMENTS

An example of a sequence which is both in arithmetic and geometric progression.

REFERENCES

E. Schmid, Problem 961, Math. Mag., 50 (No. 1, 1977), 52.

CROSSREFS

Sequence in context: A049201 A068633 A123849 * A017281 A061589 A110402

Adjacent sequences:  A108809 A108810 A108811 * A108813 A108814 A108815

KEYWORD

nonn

AUTHOR

N. J. A. Sloane (njas(AT)research.att.com), Jul 31 2005

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Last modified February 15 15:20 EST 2012. Contains 205823 sequences.