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A017056
a(n) = (7*n + 6)^4.
1
1296, 28561, 160000, 531441, 1336336, 2825761, 5308416, 9150625, 14776336, 22667121, 33362176, 47458321, 65610000, 88529281, 116985856, 151807041, 193877776, 244140625, 303595776, 373301041
OFFSET
0,1
FORMULA
G.f.: -(1296 + 22081*x + 30155*x^2 + 4091*x^3 + x^4)/(x-1)^5. - R. J. Mathar, Jul 14 2016
PROG
(Magma) [(7*n+6)^4: n in [0..40]]; // Vincenzo Librandi, Jul 10 2011
CROSSREFS
Cf. A017053 (7*n+6).
Sequence in context: A016912 A330980 A203820 * A223596 A265471 A017140
KEYWORD
nonn,easy
STATUS
approved