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A078095 Numbers n such that Omega(n)=Omega(n-1)+ Omega(n-2)+ Omega(n-3)+ Omega(n-4). (Omega(n) denotes the number of prime factors of n, counting multiplicity). 0
1440, 2560, 2880, 3456, 3584, 5760, 6720, 7168, 8192, 8448, 9600, 10080, 10368, 10800, 12150, 12480, 13440, 14000, 15120, 18144, 21120, 21384, 22400, 25088, 25920, 26880, 28320, 30240, 31104, 31680, 34992, 35840, 38400, 39168, 39366 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

LINKS

Table of n, a(n) for n=1..35.

EXAMPLE

a(1)=1440 is a term because Omega(1440)=8=Omega(1439)+Omega(1438)+Omega(1437)+Omega(1436)=1+2+2+3=8

CROSSREFS

Cf. A001222.

Sequence in context: A063846 A252186 A179691 * A157508 A061221 A238041

Adjacent sequences:  A078092 A078093 A078094 * A078096 A078097 A078098

KEYWORD

nonn

AUTHOR

Shyam Sunder Gupta, Dec 01 2002

STATUS

approved

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Last modified November 13 11:01 EST 2019. Contains 329093 sequences. (Running on oeis4.)