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OFFSET
| 1,1
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COMMENTS
| 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
| a(n)=A090831(A144675(n)).
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PROG
| (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
| Sequence in context: A119181 A152518 A145451 * A191957 A125537 A203012
Adjacent sequences: A144673 A144674 A144675 * A144677 A144678 A144679
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KEYWORD
| nonn,bref,hard
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AUTHOR
| M. F. Hasler (www.univ-ag.fr/~mhasler), Feb 02 2009, Feb 16 2009
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