OFFSET
1,1
COMMENTS
Do even numbers thin out as you look at larger and larger numbers of terms? - Charles R Greathouse IV, Nov 18 2022
LINKS
Robert Israel, Table of n, a(n) for n = 1..10000
EXAMPLE
4 + 6 + 15 = 25 = 5*5, 6 + 15 + 25 = 46 = 2*23.
MAPLE
R:= 4, 6:
for i from 3 to 100 do
s:= R[i-2]+R[i-1];
for t from R[i-1]+1 do
if numtheory:-bigomega(t) = 2 and numtheory:-bigomega(s+t)=2 then
R:= R, t; break
fi
od od:
R; # Robert Israel, Nov 18 2022
MATHEMATICA
s = {4, 6}; p = 4; q = 6; r = q + 1; Do[While[2 != PrimeOmega[r] || 2 != PrimeOmega[p + q + r], r++]; AppendTo[s, r]; p = q; q = r; r++, {100}]; s
CROSSREFS
KEYWORD
nonn
AUTHOR
Zak Seidov, Nov 17 2022
STATUS
approved