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A017143
a(n) = (8*n+6)^7.
1
279936, 105413504, 2494357888, 21870000000, 114415582592, 435817657216, 1338925209984, 3521614606208, 8235430000000, 17565568854912, 34792782221696, 64847759419264, 114868566764928, 194871710000000, 318547390056832, 504189521813376, 775771085481344, 1164175380274048
OFFSET
0,1
LINKS
FORMULA
a(n) = 128*A016843(n). - R. J. Mathar, Aug 26 2015
From Amiram Eldar, Apr 26 2023: (Start)
a(n) = A017137(n)^7.
Sum_{n>=0} 1/a(n) = 127*zeta(7)/32768 - 61*Pi^7/47185920. (End)
MAPLE
A017143:=n->(8*n+6)^7: seq(A017143(n), n=0..20); # Wesley Ivan Hurt, Feb 11 2017
MATHEMATICA
Table[(8 n + 6)^7, {n, 0, 13}] (* Michael De Vlieger, Feb 12 2017 *)
PROG
(Magma) [(8*n+6)^7: n in [0..20]]; // Vincenzo Librandi, Jul 22 2011
CROSSREFS
KEYWORD
nonn,easy
STATUS
approved