A349865 Composite numbers that are missing from A349278.

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.

Links

Table of n, a(n) for n=1..61.

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

Cf. A349278, A349864.

Equals disjoint union of A349733 and A350061.

Sequence in context: A374910 A067810 A111168 * A195331 A175426 A045567

Adjacent sequences: A349862 A349863 A349864 * A349866 A349867 A349868

Keyword

nonn,base

Author

Bernard Schott, Dec 03 2021

Extensions

More terms from Michel Marcus, Dec 04 2021

Status

approved