OFFSET
0,1
COMMENTS
Also numbers m such that floor(1+(m/7)) mod 7 = 0.
Partial sums of the sequence 42,1,1,1,1,1,1,43,1,1,1,1,1,1,43,... which has period 7.
LINKS
Index entries for linear recurrences with constant coefficients, signature (1,0,0,0,0,0,1,-1).
FORMULA
a(n)=7n+42-6*(n mod 7).
G.f.: g(x)=(42+x+x^2+x^3+x^4+x^5+x^6+x^7)/((1-x^7)(1-x)).
G.f.: g(x)=(42-41x-x^8) /((1-x^7)(1-x)^2).
CROSSREFS
KEYWORD
nonn,easy
AUTHOR
Hieronymus Fischer, Oct 20 2007
STATUS
approved