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A154587 Numbers that can be expressed as the sum of the first j prime numbers or the first k nonprime numbers, with j and k >=1. 1
5, 28, 71208, 74139, 9260197734, 12374540078, 7574780746329, 11101148723618, 102581905748236, 3325997869054417 (list; graph; refs; listen; history; internal format)
OFFSET

1,1

COMMENTS

Is this sequence finite?

Intersection of A007504 and A053767 generates 10,1988,14697,83292,... - R. J. Mathar, Jan 17 2009

FORMULA

A007504 INTERSECT A051349. - R. J. Mathar (mathar(AT)strw.leidenuniv.nl), Jan 17 2009

EXAMPLE

5 = 2+3 = 1+4. 28 = 2+3+5+7+11 = 1+4+6+8+9

CROSSREFS

A007504, A051349, A133784

Sequence in context: A057642 A125137 A132550 * A083020 A033503 A181616

Adjacent sequences:  A154584 A154585 A154586 * A154588 A154589 A154590

KEYWORD

more,nonn

AUTHOR

Paolo P. Lava & Giorgio Balzarotti (paoloplava(AT)gmail.com), Jan 15 2009

EXTENSIONS

Corrected definition. Added 5th and 6th term. - R. J. Mathar (mathar(AT)strw.leidenuniv.nl), Jan 17 2009

a(7)-a(10) from Donovan Johnson (donovan.johnson(AT)yahoo.com), Feb 19 2009

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Last modified February 17 03:45 EST 2012. Contains 205978 sequences.