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A157191 Indices of records in A157190: prime(a(n)) can be written in more ways as pq-p-q (p,q, prime) than any smaller prime. 1

%I #3 Jul 14 2012 11:32:24

%S 1,2,17,20,190,357,959,4479,10522,16447,21383,22993,37977,53972,

%T 129076,205244,440069,745584,830983,918422,1073653,2309722,2731757,

%U 3833005,4788328,5025102,5411333

%N Indices of records in A157190: prime(a(n)) can be written in more ways as pq-p-q (p,q, prime) than any smaller prime.

%F A157191 = A000720 o A157190 ; A157190 = A000040 o A157191.

%K nonn

%O 1,2

%A _M. F. Hasler_, Mar 16 2009

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Last modified April 24 11:49 EDT 2024. Contains 371936 sequences. (Running on oeis4.)