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A121996 Sums of two squares mod 100. +0
1
0, 1, 2, 4, 5, 8, 9, 10, 13, 16, 17, 18, 20, 21, 22, 24, 25, 26, 28, 29, 30, 32, 33, 34, 36, 37, 38, 40, 41, 42, 44, 45, 46, 48, 49, 50, 52, 53, 54, 56, 57, 58, 60, 61, 62, 64, 65, 66, 68, 69, 70, 72, 73, 74, 76, 77, 78, 80, 81, 82, 84, 85, 86, 88, 89, 90, 92, 93, 94, 96, 97, 98 (list; graph; listen)
OFFSET

1,3

COMMENT

All 72 possible values of ((m^2+n^2) mod 10) for all m's and n's. Not-sums of two squares mod 100 are: 3,6,7,11,12,14,15,19,23,27,31,35,39,43,47,51,55,59,63,67,71,75,79,83,87,91,95,99 (28 terms). Cf. A010461 Squares mod 100, A001481 Sums of 2 squares.

CROSSREFS

Cf. A010461, A001481.

Sequence in context: A022549 A045704 A084581 this_sequence A091072 A001481 A034026

Adjacent sequences: A121993 A121994 A121995 this_sequence A121997 A121998 A121999

KEYWORD

fini,full,nonn

AUTHOR

Zak Seidov (zakseidov(AT)yahoo.com), Sep 11 2006

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Last modified November 23 17:09 EST 2009. Contains 167438 sequences.


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