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Search: id:A082122
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| A082122 |
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Smallest difference>1 between d and p/d for any divisor d of the partial product p of the sequence, starting with 11. |
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+0
2
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| 11, 10, 17, 21, 23, 31, 43, 167, 6383, 31741, 52112213, 37549127743, 36777947021270771, 504837176634758950812127
(list; graph; listen)
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OFFSET
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0,1
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PROGRAM
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(PARI) p=11:for(n=1, 50, v=divisors(p):r=sqrt(p):t=0:for(k=1, matsize(v)[2], if(v[k]>=r, t=k:break)): if(v[t]^2==p, u=t, u=t-1): if(v[t]-v[u]<2, u=u-1:t=t+1):print1(v[t]-v[u]", "):p=p*(v[t]-v[u]))
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CROSSREFS
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Cf. A082120, A003681 (starts with 2, 3), A082123.
Adjacent sequences: A082119 A082120 A082121 this_sequence A082123 A082124 A082125
Sequence in context: A019329 A086919 A060982 this_sequence A061882 A120005 A105026
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KEYWORD
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nonn,hard
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AUTHOR
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Ralf Stephan (ralf(AT)ark.in-berlin.de), Apr 04 2003
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