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A173156
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Numbers n such that max(tau(n),tau(n+1),tau(n+2),tau(n+3))- min(tau(n),tau(n+1),tau(n+2),tau(n+3)) = 1.
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0
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2, 20164, 155236, 293761, 293762, 643204, 1435204, 1444802, 5216653, 6120676, 8421601, 8421602
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OFFSET
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1,1
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LINKS
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Table of n, a(n) for n=1..12.
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EXAMPLE
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For n = 20164, max(tau(20164),tau(20165),tau(20166),tau(20167)) - min(tau(20164),tau(20165),tau(20166),tau(20167)) = max(9,8,8,8) - min(9,8,8,8) = 1.
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MAPLE
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with(numtheory):for n from 200000 to 1500000 do; if max(tau(n), tau(n+1), tau(n+2), tau(n+3))- min(tau(n), tau(n+1), tau(n+2), tau(n+3))= 1 then print(n); else fi ; od;
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CROSSREFS
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Sequence in context: A214544 A158344 A124364 * A214598 A123692 A132942
Adjacent sequences: A173153 A173154 A173155 * A173157 A173158 A173159
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KEYWORD
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nonn
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AUTHOR
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Michel Lagneau, Feb 11 2010
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STATUS
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approved
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