**Numbers n such that n and n+2 are both divisible by exactly 4 primes (counted with multiplicity).**

*54, 88, 150, 196, 232, 248, 294, 306, 328, 340, 342, 348, 460, 488, 490, 568, 570*

*4 seqfan posts*

*Thu Aug 12 21:07:41 CEST 2010* [seqfan] Re: Is this right? Main diagonal A[n.n] of array A[k, n] = n-th natural number m such that m and m+2 are both divisible by exactly k primes (counted with multiplicity).

*Thu Aug 12 20:48:48 CEST 2010* [seqfan] Re: Is this right? Main diagonal A[n.n] of array A[k, n] = n-th natural number m such that m and m+2 are both divisible by exactly k primes (counted with multiplicity).

*Thu Aug 12 20:24:17 CEST 2010* [seqfan] Re: Is this right? Main diagonal A[n.n] of array A[k, n] = n-th natural number m such that m and m+2 are both divisible by exactly k primes (counted with multiplicity).

*Thu Aug 12 20:05:40 CEST 2010* [seqfan] Is this right? Main diagonal A[n.n] of array A[k, n] = n-th natural number m such that m and m+2 are both divisible by exactly k primes (counted with multiplicity).

Index of A-numbers in seqfan: by ascending order
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