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A017095
a(n) = (8*n + 2)^7.
1
128, 10000000, 612220032, 8031810176, 52523350144, 230539333248, 781250000000, 2207984167552, 5455160701056, 12151280273024, 24928547056768, 47829690000000, 86812553324672, 150363025899136, 250226879128704, 402271083010688, 627485170000000, 953133216331392, 1414067010444416
OFFSET
0,1
LINKS
FORMULA
From Amiram Eldar, Apr 24 2023: (Start)
a(n) = A017089(n)^7.
a(n) = 2^7*A016819(n).
Sum_{n>=0} 1/a(n) = 61*Pi^7/47185920 + 127*zeta(7)/32768. (End)
MATHEMATICA
Table[(8*n + 2)^7, {n, 0, 20}] (* Amiram Eldar, Apr 24 2023 *)
PROG
(Magma) [(8*n+2)^7: n in [0..30]]; // Vincenzo Librandi, Jul 12 2011
CROSSREFS
Cf. A013665, A016819, A017089 (8n+2), A001015 (n^7).
Sequence in context: A017011 A196995 A214389 * A017191 A017299 A160865
KEYWORD
nonn,easy
STATUS
approved