OFFSET
0,1
COMMENTS
The corresponding right Aurifeuillian factor is A220990.
LINKS
Wikipedia, Cunningham Project
Index entries for linear recurrences with constant coefficients, signature (157,-1884,1728).
FORMULA
Aurifeuillian factorization: 12^(6n+3) + 1 = (12^(2n+1) + 1) * a(n) * A220990(n).
G.f.: -(1008*x^2+558*x+7) / ((x-1)*(12*x-1)*(144*x-1)). [Colin Barker, Jan 03 2013]
MATHEMATICA
Table[12^(2n+1) - 6 * 12^n + 1, {n, 0, 20}]
CROSSREFS
KEYWORD
nonn,easy
AUTHOR
Stuart Clary, Dec 27 2012
STATUS
approved