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A108812 11^n mod 50. +0
1
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; listen)
OFFSET

0,2

COMMENT

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 this_sequence A017281 A061589 A110402

Adjacent sequences: A108809 A108810 A108811 this_sequence A108813 A108814 A108815

KEYWORD

nonn

AUTHOR

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

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Last modified December 17 23:40 EST 2009. Contains 171025 sequences.


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