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URL: https://oeis.org/A137467
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A137467
a(n) = i + j - k, where n = p(i) + p(j) - p(k), such that p(i), p(j), and p(k) are distinct primes, i + j - k = minimum, and n >= 3.
0
1, 2, 3, 2, 3, 3, 4
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OFFSET
3,2
COMMENTS
Is it true for all n : n = p(i) + p(j) - p(k)?
LINKS
Table of n, a(n) for n=3..9.
EXAMPLE
For n = 6, 6 = p(1) + p(5) - p(4) = 2 + 11 - 7; so a(6) = 1 + 5 - 4 = 2.
CROSSREFS
Cf.
A000040
,
A038134
.
Sequence in context:
A078173
A248005
A129759
*
A261461
A078627
A106370
Adjacent sequences:
A137464
A137465
A137466
*
A137468
A137469
A137470
KEYWORD
easy
,
nonn
,
uned
AUTHOR
Ctibor O. Zizka
, Apr 19 2008
STATUS
approved