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A059306 Number of 2 X 2 singular integer matrices with elements from {0,...,n}. +0
9
1, 10, 31, 64, 113, 170, 255, 336, 449, 570, 719, 848, 1057, 1210, 1423, 1664, 1921, 2122, 2447, 2672, 3041, 3386, 3727, 4000, 4497, 4858, 5263, 5696, 6225, 6570, 7231, 7600, 8177, 8730, 9263, 9872, 10689, 11130, 11727, 12384, 13265, 13754, 14703 (list; graph; listen)
OFFSET

0,2

CROSSREFS

Cf. A062801.

Sequence in context: A100500 A085473 A051943 this_sequence A041190 A111500 A042849

Adjacent sequences: A059303 A059304 A059305 this_sequence A059307 A059308 A059309

KEYWORD

nonn,nice

AUTHOR

John W. Layman (layman(AT)math.vt.edu), Jan 25 2001

EXTENSIONS

More terms from Larry Reeves (larryr(AT)acm.org), Jan 09 2003

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Last modified August 29 17:54 EDT 2008. Contains 143238 sequences.


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