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6, 30, 210, 214, 2310, 2313, 2315, 2317, 2318, 2342, 2346, 2370, 2526, 4622, 4830, 30030, 30031, 30033, 30034, 30035, 30038, 30041, 30043, 30046, 30054, 30061, 30062, 30066, 30069, 30074, 30094, 30098, 30102, 30242, 30245, 30247, 30249, 30254, 30270, 30274, 30282, 32342, 32345, 32347, 32350, 32354, 32374, 32553, 60062
(list;
graph;
refs;
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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FORMULA
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PROG
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(PARI)
A003415(n) = if(n<=1, 0, my(f=factor(n)); n*sum(i=1, #f~, f[i, 2]/f[i, 1]));
A276086(n) = { my(m=1, p=2); while(n, m *= (p^(n%p)); n = n\p; p = nextprime(1+p)); (m); };
isA369959(n) = { my(t=A003415(n), u=A276086(n), g=gcd(n, t), h=gcd(n, u)); ((g==h) && ((t/g) >= (u/h))); };
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CROSSREFS
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KEYWORD
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nonn
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AUTHOR
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STATUS
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approved
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