OFFSET
1,4
COMMENTS
Table starts
..1..1..3..4..4..6..7..7..9.10.10.12.13.13.15.16.16.18
..1..3..6..6.10.11.13.16.16.20.21.23.26.26.30.31.33
..3..6..7.11.14.17.19.24.27.30.30.36.39.42.43.47
..4..6.11.16.20.21.27.31.33.40.44.47.50.56.60
..4.10.14.20.24.30.35.40.42.48.55.59.62.69
..6.11.17.21.30.33.42.46.54.60.66.71.75
..7.13.19.27.35.42.45.53.62.69.72.83
..7.16.24.31.40.46.53.63.69.79.87
..9.16.27.33.42.54.62.69.81
.10.20.30.40.48.60.69.79
.10.21.30.44.55.66.72
.12.23.36.47.59.71
LINKS
R. H. Hardin, Table of n, a(n) for n = 1..161
FORMULA
Empirical for column k:
k=1: a(n) = a(n-1) +a(n-3) -a(n-4) increment period 3: 0 2 1
k=2: a(n) = a(n-1) +a(n-5) -a(n-6) increment period 5: 2 3 0 4 1
k=3: a(n) = a(n-1) +a(n-12) -a(n-13) increment period 12: 3 1 4 3 3 2 5 3 3 0 6 3
k=4: a(n) = a(n-1) +a(n-17) -a(n-18) increment period 17: 2 5 5 4 1 6 4 2 7 4 3 3 6 4 0 8 4
k=5: a(n) = a(n-1) +a(n-30) -a(n-31) increment period 30: 6 4 6 4 6 5 5 2 6 7 4 3 7 3 7 6 3 4 8 5 5 4 6 4 6 4 6 0 10 4
EXAMPLE
Some solutions for n=3 k=4
..1..1..0..0....1..1..0..0....1..0..1..0....0..1..1..0....0..0..1..0
..0..0..1..1....1..0..1..0....1..1..1..1....1..1..0..1....0..0..0..1
..1..0..1..0....0..1..0..0....1..1..1..0....0..1..0..1....1..1..0..0
CROSSREFS
KEYWORD
nonn,tabl
AUTHOR
R. H. Hardin, Dec 29 2012
STATUS
approved