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A017001
a(n) = (7*n + 1)^9.
1
1, 134217728, 38443359375, 1207269217792, 14507145975869, 101559956668416, 502592611936843, 1953125000000000, 6351461955384057, 18014398509481984, 45848500718449031, 106868920913284608, 231616946283203125
OFFSET
0,2
LINKS
Index entries for linear recurrences with constant coefficients, signature (10, -45, 120, -210, 252, -210, 120, -45, 10, -1).
MATHEMATICA
(7*Range[0, 20]+1)^9 (* or *) LinearRecurrence[{10, -45, 120, -210, 252, -210, 120, -45, 10, -1}, {1, 134217728, 38443359375, 1207269217792, 14507145975869, 101559956668416, 502592611936843, 1953125000000000, 6351461955384057, 18014398509481984}, 20] (* Harvey P. Dale, Oct 29 2024 *)
PROG
(Magma) [(7*n+1)^9: n in [0..20]]; // Vincenzo Librandi, Jul 13 2011
CROSSREFS
Sequence in context: A011577 A186573 A186574 * A017073 A017265 A017373
KEYWORD
nonn,easy
STATUS
approved