A065204 Least m such that A065203(m) = n.

1, 3, 22, 191, 2206, 29054, 497585

Offset

1,2

Comments

Conjecture: A064413(a(n)) = A002110(n) (primorial numbers), i.e., a(n) sets positions of primorial numbers in A064413.

Links

Table of n, a(n) for n=1..7.

Crossrefs

Cf. A064413, A064742, A065203, A002110.

Sequence in context: A354327 A278333 A132595 * A001393 A046743 A121952

Adjacent sequences: A065201 A065202 A065203 * A065205 A065206 A065207

Keyword

nonn,hard,more

Author

Vladeta Jovovic, Oct 21 2001

Extensions

a(6)-a(7) from Sean A. Irvine, Aug 21 2023

Status

approved