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A017428
a(n) = (11*n + 3)^4.
1
81, 38416, 390625, 1679616, 4879681, 11316496, 22667121, 40960000, 68574961, 108243216, 163047361, 236421376, 332150625, 454371856, 607573201, 796594176, 1026625681, 1303210000, 1632240801, 2019963136, 2472973441, 2998219536, 3603000625, 4294967296, 5082121521, 5972816656
OFFSET
0,1
FORMULA
a(0)=81, a(1)=38416, a(2)=390625, a(3)=1679616, a(4)=4879681, a(n)= 5*a(n-1)- 10*a(n-2)+10*a(n-3)-5*a(n-4)+a(n-5). - Harvey P. Dale, Jan 15 2013
MATHEMATICA
(11*Range[0, 30]+3)^4 (* or *) LinearRecurrence[{5, -10, 10, -5, 1}, {81, 38416, 390625, 1679616, 4879681}, 30] (* Harvey P. Dale, Jan 15 2013 *)
CROSSREFS
Sequence in context: A088063 A017200 A017308 * A195274 A189149 A088188
KEYWORD
nonn,easy
STATUS
approved