|
|
A024053
|
|
a(n) = 5^n - n^4.
|
|
2
|
|
|
1, 4, 9, 44, 369, 2500, 14329, 75724, 386529, 1946564, 9755625, 48813484, 244119889, 1220674564, 6103477209, 30517527500, 152587825089, 762939369604, 3814697160649, 19073486197804, 95367431480625
(list;
graph;
refs;
listen;
history;
text;
internal format)
|
|
|
OFFSET
|
0,2
|
|
LINKS
|
Vincenzo Librandi, Table of n, a(n) for n = 0..300
Index entries for linear recurrences with constant coefficients, signature (10,-35,60,-55,26,-5).
|
|
FORMULA
|
a(n) = 10*a(n-1) - 35*a(n-2) + 60*a(n-3) - 55*a(n-4) + 26*a(n-5) - 5*a(n-6).
|
|
PROG
|
(MAGMA) [5^n-n^4: n in [0..35]]; // Vincenzo Librandi, Jun 12 2011
|
|
CROSSREFS
|
Sequence in context: A239853 A209079 A149170 * A197970 A048892 A108849
Adjacent sequences: A024050 A024051 A024052 * A024054 A024055 A024056
|
|
KEYWORD
|
nonn,easy
|
|
AUTHOR
|
N. J. A. Sloane
|
|
STATUS
|
approved
|
|
|
|