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A209977
Number of 2 X 2 matrices having all elements in {0,1,...,n} and determinant 5.
2
0, 0, 0, 3, 9, 45, 53, 77, 93, 117, 153, 193, 209, 257, 281, 353, 385, 449, 473, 545, 617, 665, 705, 793, 825, 985, 1033, 1105, 1153, 1265, 1337, 1457, 1521, 1601, 1665, 1881, 1929, 2073, 2145, 2241, 2385, 2545, 2593, 2761, 2841, 3057, 3145
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OFFSET
0,4
COMMENTS
See
A210000
for a guide to related sequences.
LINKS
Chai Wah Wu,
Table of n, a(n) for n = 0..10000
MATHEMATICA
(See the Mathematica section at
A210000
.)
CROSSREFS
Cf.
A210000
.
Sequence in context:
A058106
A021103
A222662
*
A001902
A224085
A352797
Adjacent sequences:
A209974
A209975
A209976
*
A209978
A209979
A209980
KEYWORD
nonn
AUTHOR
Clark Kimberling
, Mar 16 2012
STATUS
approved