A082415 Numbers k such that in all partitions of k into distinct coprimes these coprimes are also mutually relatively prime.

1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 14, 16, 18, 22, 24, 30, 36, 60

Offset

1,2

Comments

A083290(a(n)) = A036998(a(n)).

a(19), if it exists, exceeds 1.5*10^6. - Sean A. Irvine, Dec 07 2025

Links

Table of n, a(n) for n=1..18.

Example

8=1+7=3+5, so 8 is a term because of 1 _|_ 7 and 3 _|_ 5.

Crossrefs

Sequence in context: A094222 A164043 A172248 * A005236 A051250 A391579

Adjacent sequences: A082412 A082413 A082414 * A082416 A082417 A082418

Keyword

nonn,more

Author

Reinhard Zumkeller, Apr 23 2003

Extensions

a(17)-a(18) from Sean A. Irvine, Dec 07 2025

Status

approved