OFFSET
0,2
COMMENTS
Floretion Algebra Multiplication Program, FAMP Code: 4ibaseisumseq[ + .25'i + .25i' + .25'ii' + .25'jj' + .25'kk' + .25'jk' + .25'kj' + .25e], sumtype: Y[15],inty[ * ]
LINKS
Colin Barker, Table of n, a(n) for n = 0..1000
Robert Munafo, Sequences Related to "Floretions"
Index entries for linear recurrences with constant coefficients, signature (3,-1,0,1,-3,1).
FORMULA
a(n) = 3*a(n-1) - a(n-2) + a(n-4) - 3*a(n-5) + a(n-6) for n>5. - Colin Barker, May 13 2019
MATHEMATICA
LinearRecurrence[{3, -1, 0, 1, -3, 1}, {1, 2, 3, 4, 5, 10}, 50] (* Paolo Xausa, Mar 09 2024 *)
PROG
(PARI) Vec((1 - x - 2*x^2 - 3*x^3 - 5*x^4) / ((1 - x)*(1 + x)*(1 - 3*x + x^2)*(1 + x^2)) + O(x^35)) \\ Colin Barker, May 13 2019
CROSSREFS
KEYWORD
easy,nonn
AUTHOR
Creighton Dement, Aug 14 2005
STATUS
approved