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Search: id:A144676
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OFFSET
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1,1
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COMMENT
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The next term A090831(242) ~ 9.7 * 10^457 is too large to be displayed here. See the indices in A144675.
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FORMULA
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a(n)=A090831(A144675(n)).
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PROGRAM
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(PARI) for( n=1, 999, /* n%10|print1([n]); */ isprime( p=sum( i=1, n, prime(i)^(n+1-i))) & print1(p", "))
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CROSSREFS
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Sequence in context: A119181 A152518 A145451 this_sequence A125537 A001424 A055318
Adjacent sequences: A144673 A144674 A144675 this_sequence A144677 A144678 A144679
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KEYWORD
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nonn,bref,hard
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AUTHOR
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M. F. Hasler (MHasler(AT)univ-ag.fr), Feb 02 2009, Feb 16 2009
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