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A151750
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Numbers n such that GCD( binomial(2n,n), 3*5*7*11) = 1.
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5
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OFFSET
| 1,3
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COMMENTS
| It is conjectured that there are no other terms.
There are no further terms below 10^10000.
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REFERENCES
| Mauldin, R. Daniel; Ulam, S. M.; Mathematical problems and games. Adv. in Appl. Math. 8 (1987), 281-344.
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CROSSREFS
| Sequence in context: A172961 A172720 A184452 * A068266 A140350 A020420
Adjacent sequences: A151747 A151748 A151749 * A151751 A151752 A151753
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KEYWORD
| nonn,bref
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AUTHOR
| N. J. A. Sloane (njas(AT)research.att.com), Jul 30 2009
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