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A209977 Number of 2x2 matrices having all elements in {0,1,...,n} and determinant 5. 1
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 (list; graph; refs; listen; history; text; internal format)
OFFSET

0,4

COMMENTS

See A210000 for a guide to related sequences.

LINKS

Table of n, a(n) for n=0..46.

MATHEMATICA

(See the Mathematica section at A210000.)

CROSSREFS

Cf. A210000.

Sequence in context: A058106 A021103 A222662 * A001902 A224085 A192891

Adjacent sequences:  A209974 A209975 A209976 * A209978 A209979 A209980

KEYWORD

nonn

AUTHOR

Clark Kimberling, Mar 16 2012

STATUS

approved

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Last modified November 23 16:13 EST 2014. Contains 249851 sequences.