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 A074053 Numbers n such that A001414(n) = sum of composites from the smallest prime factor of n to the largest prime factor of n. 0

%I #8 Dec 15 2017 17:36:00

%S 1,21,5324,9625,12705,13552,15246,18150,19360,21780,22638,23232,26136,

%T 26950,29403,32340,34496,38500,38808,39325,41405,43659,46137,46200,

%U 49280,51909,51975,55000,55440,59136,61875,62370,65910,66000,66528

%N Numbers n such that A001414(n) = sum of composites from the smallest prime factor of n to the largest prime factor of n.

%e Sum of primes dividing 5324 with repetition is: 2+2+11+11+11 = 37 and sum of composites between 2 and 11 is 4+6+8+9+10 = 37.

%Y Cf. A001414.

%K nonn

%O 1,2

%A _Jason Earls_, Sep 15 2002

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Last modified April 18 04:56 EDT 2024. Contains 371767 sequences. (Running on oeis4.)