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A017659
a(n) = (12n+11)^7.
1
19487171, 3404825447, 64339296875, 506623120463, 2488651484819, 9095120158391, 27136050989627, 69833729609375, 160578147647843, 337931541778439, 662062621900811, 1222791080775407, 2149422977421875
OFFSET
0,1
LINKS
FORMULA
a(n) = 8*a(n-1)-28*a(n-2)+56*a(n-3)- 70*a(n-4)+ 56*a(n-5)- 28*a(n-6)+ 8*a(n-7)-a(n-8). - Harvey P. Dale, May 16 2012
a(n) = A001015(A017653(n)). - Michel Marcus, Oct 29 2022
MATHEMATICA
(12Range[0, 20]+11)^7 (* Harvey P. Dale, May 16 2012 *)
LinearRecurrence[{8, -28, 56, -70, 56, -28, 8, -1}, {19487171, 3404825447, 64339296875, 506623120463, 2488651484819, 9095120158391, 27136050989627, 69833729609375}, 20] (* Harvey P. Dale, May 16 2012 *)
PROG
(Magma) [(12*n+11)^7: n in [0..15]]; // Vincenzo Librandi, May 21 2012
CROSSREFS
Sequence in context: A038683 A017287 A017395 * A348267 A172767 A122557
KEYWORD
nonn,easy
AUTHOR
STATUS
approved