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A245175
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Second differences of A038580.
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2
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14, 8, 40, -16, 46, -44, 46, 68, -58, 100, -66, -54, 54, 82, 38, -204, 314, -214, -64, 176, -20, 6, 120, -72, -158, 34, -58, 28, 680, -590, 4, -2, 304, -386, 208, 44, -180, 146, -74, -114, 408, -458, 136, -158, 652, 340, -902, -66, 60, 42, -30, 490, -466, 228
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listen;
history;
text;
internal format)
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OFFSET
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1,1
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LINKS
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MAPLE
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a:= ((f-> n-> f(n+1)-f(n))@@2)(ithprime@@3):
seq(a(n), n=1..60);
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MATHEMATICA
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PROG
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(PARI) f(n) = prime(prime(prime(n)))
a(n) = f(n+2)-2*f(n+1)+f(n)
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CROSSREFS
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KEYWORD
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sign
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AUTHOR
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STATUS
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approved
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