A339759 Distinct values in A339743, in order of appearance.

1, 2, 4, 6, 30, 60, 210, 2310, 18480, 120120, 150150, 660660, 1531530, 2492490, 3063060, 4594590, 38798760, 48498450, 193993800, 446185740, 6915878970, 13831757940, 80313433200, 129393864600, 1061029689720, 5014012253250, 9225782545980, 12033629407800, 40312658516130, 135378330837750

Offset

1,2

Comments

This sequence is strictly increasing as A339743 is weakly increasing. - David A. Corneth, Jan 01 2021

Links

David A. Corneth, Table of n, a(n) for n = 1..67

Example

The first terms of A339743 are: 1, 1, 2, 4, 6, 6, 6, 30, 30, 60, 60, 210.
So this sequence starts with 1, 2, 4, 6, 30, 60, ...

Prog

(PARI) { n = 1; for (k=1, oo, p = 1; for (m=1, oo, if (gcd(p, 1+m*k)>1, if (m>=n, print1 (k ", "); n=m+1); break, p *= 1+m*k))) }

Crossrefs

Cf. A339743, A339749.

Sequence in context: A077633 A006933 A046847 * A121069 A100838 A056696

Adjacent sequences: A339756 A339757 A339758 * A339760 A339761 A339762

Keyword

nonn

Author

Rémy Sigrist, Dec 16 2020

Extensions

More terms from David A. Corneth, Jan 01 2021

Status

approved