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A161973
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Primes in A136251 in order of appearance.
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0
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3, 7, 3, 7, 3, 5, 3, 5, 2, 7, 3, 3, 3, 3, 7, 5, 3, 13, 11, 3, 7, 3, 3, 5, 5, 13, 7, 5, 2, 11, 13, 2, 5, 17, 13, 7, 3, 7, 3, 7, 19, 7, 5, 3, 3, 13, 3, 7, 7, 3, 11, 3, 19, 11, 17, 3, 3, 5, 5, 5, 7, 5, 17, 5, 17, 7, 11, 19, 5, 17, 13, 19, 13, 11, 7, 3, 7, 2, 11, 3, 3, 3, 7, 13, 5, 3, 13, 2, 3, 7, 3, 11, 7
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OFFSET
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1,1
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LINKS
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EXAMPLE
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The A136251(k) which are prime occur at k = 9, 10, 11, 12, 15, 16, 17, 18, ... and the subsequence of A136251 at these positions defines the sequence.
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MAPLE
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read("transforms") ; A007605 := proc(n) digsum(ithprime(n)) ; end:
for n from 1 to 300 do p := A136251(n); if isprime(p) then printf("%d, ", p) ; fi; od: # R. J. Mathar, Aug 02 2009
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CROSSREFS
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KEYWORD
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nonn,base
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AUTHOR
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EXTENSIONS
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STATUS
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approved
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