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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. 4
1, 18, 126, 1652 (list; graph; refs; listen; history; internal format)
OFFSET

2,2

CROSSREFS

Cf. A025052, A027563, A027565, A027565.

Sequence in context: A101378 A107417 A056125 * A041620 A142965 A058649

Adjacent sequences:  A027563 A027564 A027565 * A027567 A027568 A027569

KEYWORD

nonn,hard,nice

AUTHOR

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

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Last modified February 16 12:15 EST 2012. Contains 205909 sequences.