A348460 a(n) = min(A307720(n), A307720(n+1)).

1, 1, 1, 1, 1, 1, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3

Offset: 1

Author

N. J. A. Sloane, Oct 30 2021

Keywords

• nonn
• look

Comments

This is the minimum of A348241 and A348242. It is the lower line (red or blue) in Cheswick's pictures in A348248.

A companion to A348459.

Links

• Rémy Sigrist, Table of n, a(n) for n = 1..25000
• Rémy Sigrist, PARI program for A348460

Crossrefs

Cf. A307720, A307730, A348459.

Programs

PARI

See Links section.