OFFSET
1,1
COMMENTS
Since no prime >= 11 is a term in A349278, only composite numbers are listed here.
EXAMPLE
There does not exist an integer d.u, where . stands for concatenation, such that 26 = u*(u+d), so 26 is a term.
As 28 = A349278(34) = 4*(4+3), 28 is not a term.
CROSSREFS
KEYWORD
nonn,base
AUTHOR
Bernard Schott, Dec 03 2021
EXTENSIONS
More terms from Michel Marcus, Dec 04 2021
STATUS
approved