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Search: id:A097365
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| 2, 2, 3, 3, 11, 7, 5, 7, 5, 43, 1093, 1453, 71, 13, 67, 661, 155191, 103, 2617, 3461, 420929, 1319, 1839833, 129917, 1531, 1316537, 91387, 40841, 30631, 49506559, 1176509, 262069, 14497151, 7489, 1860564731, 1053007, 4557398710937
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OFFSET
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3,1
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EXAMPLE
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A096421(19) = 79457792 = 2^9 * 155191, so a(19) = 155191.
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PROGRAM
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(PARI) {m=39; v=vector(m); v[1]=1; for(n=2, m, s=0; for(j=1, n-1, if(gcd(j, n)==1, s=s+v[j]*v[n-j])); v[n]=s); for(i=3, m, fac=factor(v[i]); print1(fac[matsize(fac)[1], 1], ", "))}
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CROSSREFS
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Cf. A096421, A097366.
Sequence in context: A110880 A095060 A094117 this_sequence A156906 A053094 A124516
Adjacent sequences: A097362 A097363 A097364 this_sequence A097366 A097367 A097368
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KEYWORD
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nonn
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AUTHOR
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Klaus Brockhaus (klaus-brockhaus(AT)t-online.de), Aug 09 2004
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