OFFSET
1,1
COMMENTS
Corresponding values of n+a(n): 10,6,9,10,9,10,21,14,15,14,15,21,22,35,21.
EXAMPLE
a(1)=9 because 1+9=10=2*5, a(2)=4 because 2+4=6=2*3.
MATHEMATICA
Table[m=4; While[2!=PrimeOmega[m]||2!=PrimeOmega[m+n], m++]; m, {n, 100}]
CROSSREFS
KEYWORD
nonn
AUTHOR
Zak Seidov, Feb 12 2015
STATUS
approved