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A180793
T(n,k)=number of distinct solutions of sum{i=1..k}(x(2i-1)*x(2i)) = 1 (mod n), with x() only in 1..n-1
11
0, 0, 1, 0, 0, 2, 0, 1, 1, 2, 0, 0, 3, 4, 3, 0, 1, 7, 14, 9, 2, 0, 0, 5, 30, 46, 19, 4, 0, 1, 9, 64, 142, 106, 31, 4, 0, 0, 15, 112, 400, 502, 254, 42, 4, 0, 1, 12, 198, 1004, 1914, 1519, 494, 75, 3, 0, 0, 18, 318, 2282, 6404, 7589, 3828, 939, 91, 6, 0, 1, 26, 502, 4868, 19300
OFFSET
1,6
COMMENTS
Table starts
.0..0....0.....0......0.......0........0........0.........0..........0
.1..0....1.....0......1.......0........1........0.........1..........0
.2..1....3.....7......5.......9.......15.......12........18.........26
.2..4...14....30.....64.....112......198......318.......502........744
.3..9...46...142....400....1004.....2282.....4868......9721......18475
.2.19..106...502...1914....6404....19300....53133....135902.....326446
.4.31..254..1519...7589...32890...126861...444019...1430707....4292149
.4.42..494..3828..24902..137528...670058..2935676..11752870...43506488
.4.75..939..9145..73134..499641..2997685.16112283..78770466..354466019
.3.91.1528.18966.188315.1579113.11539243.75118525.442714845.2391684440
LINKS
CROSSREFS
Sequence in context: A280379 A375537 A333307 * A352523 A116948 A101660
KEYWORD
nonn,tabl
AUTHOR
R. H. Hardin Sep 20 2010
STATUS
approved