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A334083
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Integers m such that all binomial coefficients C(m,k), with 0<=k<=m, are practical numbers.
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2
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OFFSET
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1,2
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COMMENTS
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Integers m such that A334082(m) = 0.
All terms are powers of 2, but this is not a sufficient condition since A334082(8) = 1.
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LINKS
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Table of n, a(n) for n=1..9.
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PROG
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(PARI) isok(n) = sum(k=0, n, !is_A005153(binomial(n, k))) == 0;
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CROSSREFS
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Cf. A005153 (practical numbers), A007318 (binomial coefficients).
Cf. A334082, A334084.
Sequence in context: A036345 A032464 A171381 * A274497 A145119 A081411
Adjacent sequences: A334080 A334081 A334082 * A334084 A334085 A334086
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KEYWORD
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nonn,more
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AUTHOR
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Michel Marcus, Apr 14 2020
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EXTENSIONS
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a(9) from Jinyuan Wang, Apr 14 2020
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STATUS
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approved
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