OFFSET
0,2
FORMULA
a(n) = n*Collatz(n)
EXAMPLE
a(4)=8 because the Collatz number of 4 is 2 (4 -> 2 -> 1) and then 8=4*2.
CROSSREFS
KEYWORD
nonn
AUTHOR
Felix Goldberg (felixg(AT)tx.technion.ac.il), Dec 17 2000
STATUS
approved