|
Search: id:A074506
|
|
| |
|
| 3, 8, 26, 92, 338, 1268, 4826, 18572, 72098, 281828, 1107626, 4371452, 17308658, 68703188, 273218426, 1088090732, 4338014018, 17309009348, 69106897226, 276040168412, 1102998412178, 4408506864308, 17623567104026
(list; graph; listen)
|
|
|
OFFSET
|
0,1
|
|
|
FORMULA
|
a(n) = 7*a(n-1) - 12*a(n-2) +7.
|
|
MATHEMATICA
|
Table[1^n + 3^n + 4^n, {n, 0, 22}]
|
|
CROSSREFS
|
Cf. A001550, A001576, A034513, A001579, A074501 - A074580.
Equals A074605(n) + 1.
Sequence in context: A081497 A028270 A124383 this_sequence A124528 A006870 A058802
Adjacent sequences: A074503 A074504 A074505 this_sequence A074507 A074508 A074509
|
|
KEYWORD
|
easy,nonn
|
|
AUTHOR
|
Robert G. Wilson v (rgwv(AT)rgwv.com), Aug 23 2002
|
|
|
Search completed in 0.002 seconds
|
