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Squares of primes or products of pairs of consecutive primes.
4

%I #4 May 19 2013 12:19:48

%S 4,6,9,15,25,35,49,77,121,143,169,221,289,323,361,437,529,667,841,899,

%T 961,1147,1369,1517,1681,1763,1849,2021,2209,2491,2809,3127,3481,3599,

%U 3721,4087,4489,4757,5041,5183,5329,5767,6241,6557,6889,7387,7921,8633

%N Squares of primes or products of pairs of consecutive primes.

%Y Essentially the same as A057602.

%K nonn

%O 0,1

%A _Jeff Burch_