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Search: id:A027566
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A027566 Number of numbers not of form k_1 k_2 .. k_n (1/k_1 + .. + 1/k_n), k_i >= 1. +0
5
1, 18, 126, 1652 (list; graph; listen)
OFFSET

2,2
CROSSREFS

Cf. A025052, A027563, A027565, A027565.

Sequence in context: A101378 A107417 A056125 this_sequence A041620 A142965 A058649

Adjacent sequences: A027563 A027564 A027565 this_sequence A027567 A027568 A027569

KEYWORD

nonn,hard,nice

AUTHOR

R. H. Hardin (rhhardin(AT)att.net)

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Last modified December 20 16:54 EST 2009. Contains 171081 sequences.

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