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A051283 Numbers n such that if write n = Product p_i^e_i (p_i primes) and P = max p_i^e_i, then n/P > P. +0
4
30, 60, 70, 84, 90, 105, 120, 126, 132, 140, 154, 165, 168, 180, 182, 195, 198, 210, 220, 231, 234, 252, 260, 264, 273, 280, 286, 306, 308, 312, 315, 330, 336, 340, 357, 360, 364, 374, 380, 385, 390, 396, 399, 408, 418, 420, 429, 440, 442, 455, 456, 462 (list; graph; listen)
OFFSET

1,1

COMMENT

A080170(n+1) + 1 (conjectured). - Ralf Stephan, Feb 20 2004

LINKS

Leroy Quet, Home Page (listed in lieu of email address)

EXAMPLE

120 = 2^3*3^1*5^1, P = 2^3 = 8. 120 is included because 120/8 = 15 > 8.

CROSSREFS

Cf. A034699.

Sequence in context: A121960 A040870 A051488 this_sequence A066031 A071140 A074915

Adjacent sequences: A051280 A051281 A051282 this_sequence A051284 A051285 A051286

KEYWORD

nonn,easy,nice

AUTHOR

Leroy Quet

EXTENSIONS

More terms from James A. Sellers (sellersj(AT)math.psu.edu), Dec 11 1999

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Last modified December 6 13:45 EST 2009. Contains 170429 sequences.


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