OFFSET
0,2
COMMENTS
The n-prism graph is defined from n >= 3. The sequence has been extrapolated to n = 0 using the recurrence. - Andrew Howroyd, Jan 26 2023
LINKS
Andrew Howroyd, Table of n, a(n) for n = 0..200
Eric Weisstein's World of Mathematics, Edge Cut
Eric Weisstein's World of Mathematics, Prism Graph
Index entries for linear recurrences with constant coefficients, signature (20, -146, 488, -777, 612, -228, 32).
FORMULA
G.f.: (1 - 16*x + 97*x^2 - 210*x^3 + 84*x^4 + 12*x^5 + 4*x^6)/((1 - x)^2*(1 - 8*x)*(1 - 5*x + 2*x^2)^2). - Andrew Howroyd, Jan 26 2023
PROG
(PARI) Vec((1 - 16*x + 97*x^2 - 210*x^3 + 84*x^4 + 12*x^5 + 4*x^6)/((1 - x)^2*(1 - 8*x)*(1 - 5*x + 2*x^2)^2) + O(x^21)) \\ Andrew Howroyd, Jan 26 2023
CROSSREFS
KEYWORD
nonn
AUTHOR
Eric W. Weisstein, Jan 07 2023
EXTENSIONS
a(0)-a(2) prepended and terms a(8) and beyond from Andrew Howroyd, Jan 26 2023
STATUS
approved