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Search: id:A048783
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A048783 Numbers n such that n-th prime - sigma(n) - phi(n) = (n+1)-th prime - sigma(n+1) - phi(n+1), where sigma(n) = sum of divisors of n. +0
3
2, 33, 57, 62, 142, 201, 253, 302, 501, 542, 745, 877, 878, 913, 921, 1153, 1198, 1201, 1477, 1642, 1942, 1982, 2041, 2326, 2362, 2605, 2973, 3046, 3226, 3273, 3326, 3493, 3517, 3601, 3646, 3694, 3733, 3826, 3865, 3902, 4054, 4261, 4273, 4357, 4414, 4573 (list; graph; listen)
OFFSET

1,1

CROSSREFS

Sequence in context: A078732 A042251 A045932 this_sequence A116340 A003347 A065647

Adjacent sequences: A048780 A048781 A048782 this_sequence A048784 A048785 A048786

KEYWORD

easy,nonn

AUTHOR

Naohiro Nomoto (6284968128(AT)geocities.co.jp)

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Last modified August 19 23:53 EDT 2008. Contains 142930 sequences.


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