|
|
A061532
|
|
Nearest integer to n^7/49.
|
|
1
|
|
|
0, 3, 45, 334, 1594, 5713, 16807, 42799, 97612, 204082, 397697, 731261, 1280582, 2151296, 3486926, 5478275, 8374259, 12494286, 18242280, 26122449, 36756909, 50905263, 69486234, 93601458, 124561543, 163914493, 213476596, 275365888
(list;
graph;
refs;
listen;
history;
text;
internal format)
|
|
|
OFFSET
|
1,2
|
|
LINKS
|
Index entries for linear recurrences with constant coefficients, signature (7,-21,35,-35,21,-7,2,-7,21,-35,35,-21,7,-1).
|
|
FORMULA
|
G.f.: x^2*(3*x^10 + 24*x^9 + 82*x^8 + 96*x^7 + 99*x^6 + 112*x^5 + 99*x^4 + 96*x^3 + 82*x^2 + 24*x + 3)/((x-1)^8*(x^6 + x^5 + x^4 + x^3 + x^2 + x + 1)). [Colin Barker, Sep 18 2012]
|
|
PROG
|
(PARI) { for (n=1, 1000, write("b061532.txt", n, " ", round(n^7/49))) } \\ Harry J. Smith, Jul 24 2009
|
|
CROSSREFS
|
|
|
KEYWORD
|
nonn,easy
|
|
AUTHOR
|
|
|
STATUS
|
approved
|
|
|
|