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A096529 Numbers whose divisors can be permuted so that all sums of triple adjacent divisors are primes. 2

%I #14 May 10 2014 11:41:41

%S 4,8,9,10,12,14,15,16,20,21,24,25,26,27,28,33,34,35,36,38,39,40,44,45,

%T 52,55,56,57,58,60,63,65,68,75,76,77,81,84,85,86,88,92,93,99,100,104,

%U 105,111,115,117,119

%N Numbers whose divisors can be permuted so that all sums of triple adjacent divisors are primes.

%C A096527(a(n)) > 0, complement of A096530.

%C Square of terms of A053182 are in this sequence. - _Michel Marcus_, May 08 2014

%e Divisors of 24 are {1,2,3,4,6,8,12,24}:

%e [2,8,3,12,4,1,24,6] -> (2+8+3,8+3+12,3+12+4,12+4+1,4+1+24,1+24+6) = (13,23,19,17,29,31): therefore 24 is a term.

%K nonn,more

%O 1,1

%A _Reinhard Zumkeller_, Jun 23 2004

%E a(30)-a(51) from _Michel Marcus_, May 03 2014

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Last modified April 25 10:43 EDT 2024. Contains 371967 sequences. (Running on oeis4.)