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A368722
a(n) = Product_{i=1..n, j=1..n, k=1..n} (i^3 + j^3 + k^3).
4
1, 3, 353736000, 4795587079853800623303366670123008000000
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OFFSET
0,2
COMMENTS
Next term is too long to be included.
LINKS
Table of n, a(n) for n=0..3.
FORMULA
Limit_{n->oo} a(n)^(1/(n^3)) / n^3 = exp(Integral_{x=0..1, y=0..1, z=0..1} log(x^3 + y^3 + z^3) dz dy dx) = 0.5334736919092639993380174031245...
MATHEMATICA
Table[Product[i^3 + j^3 + k^3, {i, 1, n}, {j, 1, n}, {k, 1, n}], {n, 0, 5}]
CROSSREFS
Cf.
A306594
,
A324425
,
A368723
.
Cf.
A324426
,
A368720
.
Sequence in context:
A058469
A367670
A081508
*
A067481
A058433
A154998
Adjacent sequences:
A368719
A368720
A368721
*
A368723
A368724
A368725
KEYWORD
nonn
AUTHOR
Vaclav Kotesovec
, Jan 04 2024
STATUS
approved
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Last modified August 30 11:14 EDT 2024. Contains 375543 sequences. (Running on oeis4.)