OFFSET
1,1
COMMENTS
Column 5 of A228285.
LINKS
R. H. Hardin, Table of n, a(n) for n = 1..210
Index entries for linear recurrences with constant coefficients, signature (1, 21, 48, 14, -69, -38, 68, 13, -57, 37, -8, -2, 1).
FORMULA
a(n) = a(n-1) +21*a(n-2) +48*a(n-3) +14*a(n-4) -69*a(n-5) -38*a(n-6) +68*a(n-7) +13*a(n-8) -57*a(n-9) +37*a(n-10) -8*a(n-11) -2*a(n-12) +a(n-13)
G.f.: x*(5 + 8*x - 6*x^2 - 38*x^3 - 2*x^4 - 5*x^5 + 45*x^6 - 51*x^7 + 26*x^8 - 4*x^9 - 2*x^10 + x^11)/((1 + 2*x - 2*x^3 + x^4)*(1 - 3*x - 15*x^2 - 16*x^3 + 11*x^4 + 20*x^5 - 19*x^6 + 8*x^7 - x^9)). - M. F. Hasler, Apr 27 2014
EXAMPLE
Some solutions for n=4
..1..0..1..0..0....1..0..0..0..0....1..0..1..0..0....1..0..0..0..0
..0..0..0..0..0....0..0..0..1..0....0..0..0..0..0....0..0..0..0..1
..0..0..0..1..0....0..0..0..0..0....0..1..0..1..0....0..1..0..1..0
..0..1..0..0..0....0..0..1..0..1....1..0..0..0..0....1..0..0..0..0
CROSSREFS
KEYWORD
nonn
AUTHOR
R. H. Hardin Aug 19 2013
EXTENSIONS
Edited by N. J. A. Sloane, Aug 22 2013
STATUS
approved