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A349865
Composite numbers that are missing from A349278.
4
25, 26, 34, 38, 39, 46, 49, 51, 57, 58, 62, 68, 69, 74, 75, 76, 82, 85, 86, 87, 92, 93, 94, 95, 102, 106, 111, 114, 115, 116, 118, 119, 121, 122, 123, 124, 125, 129, 133, 134, 138, 141, 142, 143, 145, 146, 147, 148, 152, 155, 158, 159, 161, 164, 166, 169, 171, 172, 174, 177, 178
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
Equals disjoint union of A349733 and A350061.
Sequence in context: A374910 A067810 A111168 * A195331 A175426 A045567
KEYWORD
nonn,base
AUTHOR
Bernard Schott, Dec 03 2021
EXTENSIONS
More terms from Michel Marcus, Dec 04 2021
STATUS
approved