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A034875
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Smallest integer not the sum of powers of some earlier terms.
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1
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1, 2, 6, 12, 25, 85, 194, 590, 1695, 4879, 19077, 83994, 167988, 1041780, 2448645, 9677725, 33250403, 117499773, 811972692, 1762911460
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OFFSET
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1,2
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COMMENTS
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At most one power of the previous terms can be used.
Each term is at least twice the previous term. Some terms are twice the previous one.
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LINKS
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Table of n, a(n) for n=1..20.
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EXAMPLE
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21 = 1^1+2^3+12^1, 22 = 2^2+6^1+12^1, 23=1^1+2^2+6^1+12^1, 24 = 1^1+2^4+6^1+12^0
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CROSSREFS
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See A122863 for another version.
Cf. A122863.
Sequence in context: A232164 A214663 A151385 * A136515 A141347 A335724
Adjacent sequences: A034872 A034873 A034874 * A034876 A034877 A034878
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KEYWORD
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nonn,nice
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AUTHOR
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Erich Friedman
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EXTENSIONS
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More terms from Andrew Weimholt, Sep 11 2006 and Jud McCranie, Sep 13 2006
Edited by Jud McCranie, Sep 13 2006
a(19)-a(20) from Donovan Johnson, Aug 31 2010
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STATUS
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approved
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